> ## Documentation Index
> Fetch the complete documentation index at: https://commet.co/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# List feature access

> List a customer's feature access and current usage.

List a customer's feature access and current usage.


## OpenAPI

````yaml /openapi/es/rest/2026-08-27.json get /feature-access
openapi: 3.1.0
info:
  title: Commet API
  version: '2026-08-27'
  description: Billing and payments API for SaaS and AI products.
servers:
  - url: https://commet.co/api/v1
security:
  - ApiKeyAuth: []
tags:
  - name: Test Clock
    description: >-
      Simulate the passage of time in sandbox to test billing flows. Mirrors
      Stripe test clocks: forward-only and sandbox-only.
  - name: Customers
  - name: Subscriptions
  - name: Plans
  - name: Markets
    description: >-
      Reusable country groups for market-specific prices and selectable price
      variants.
  - name: Offers
  - name: Promo Codes
  - name: Features
  - name: Usage
  - name: Seats
  - name: Quota
  - name: Add-ons
  - name: Portal
  - name: Credit Packs
  - name: Plan Groups
  - name: Invoices
  - name: Payments
    description: >-
      One-time payments with no subscription or plan. Charge a customer's saved
      payment method off-session, or create a payment link the customer opens to
      pay. Tax, invoice, and receipt are handled automatically.
  - name: Transactions
  - name: Webhooks
  - name: API Keys
  - name: Payouts
    description: >-
      Withdraw available balance to your bank and manage the payout account
      (verification + destination bank accounts).
  - name: Provisioning
    description: >-
      Take ownership of an organization an agent provisioned headlessly. The
      agent holds the API keys from the start; a human claims the account
      through a claim link.
paths:
  /feature-access:
    get:
      tags:
        - Features
      summary: List feature access
      description: List a customer's feature access and current usage.
      operationId: list-feature-access
      parameters:
        - name: customerId
          in: query
          required: true
          schema:
            type: string
        - name: Commet-Version
          in: header
          required: false
          description: >-
            API version used by this reference. Send this header to select this
            contract explicitly.
          schema:
            type: string
            default: '2026-08-27'
          example: '2026-08-27'
      responses:
        '200':
          description: Success
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            RateLimit-Limit:
              description: Maximum number of requests allowed in the current window.
              schema:
                type: string
            RateLimit-Remaining:
              description: Requests remaining in the current window.
              schema:
                type: string
          content:
            application/json:
              schema:
                type: object
                properties:
                  object:
                    type: string
                    const: list
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/FeatureAccess'
                  hasMore:
                    type: boolean
                  nextCursor:
                    type: string
                required:
                  - object
                  - data
                  - hasMore
                additionalProperties: false
              examples:
                balance:
                  summary: Balance usage feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: web_search
                        name: Web search
                        unitName: searches
                        type: usage
                        allowed: true
                        consumption:
                          model: balance
                          period:
                            start: '2026-07-01T00:00:00.000Z'
                            end: '2026-08-01T00:00:00.000Z'
                          unitsUsed: 4
                          spent:
                            amount: 100
                            currency: usd
                          availableUnits: 796
                          unitPrice:
                            amount: 2500
                            currency: usd
                            scale: 10000
                        object: feature_access
                        livemode: true
                credits:
                  summary: Credits usage feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: ai_generation
                        name: AI generation
                        unitName: generations
                        type: usage
                        allowed: true
                        consumption:
                          model: credits
                          period:
                            start: '2026-07-01T00:00:00.000Z'
                            end: '2026-08-01T00:00:00.000Z'
                          unitsUsed: 4
                          creditsPerUnit: 3
                          creditsConsumed: 12
                          availableUnits: 28
                        object: feature_access
                        livemode: true
                metered:
                  summary: Metered usage feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: api_calls
                        name: API calls
                        unitName: calls
                        type: usage
                        allowed: true
                        consumption:
                          model: metered
                          period:
                            start: '2026-07-10T00:00:00.000Z'
                            end: '2026-08-10T00:00:00.000Z'
                          unitsUsed: 120
                          includedUnits: 100
                          remainingUnits: 0
                          unlimited: false
                          overage:
                            enabled: true
                            units: 20
                            unitPrice:
                              amount: 500
                              currency: usd
                              scale: 10000
                        object: feature_access
                        livemode: true
                seats:
                  summary: Seats feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: team_members
                        name: Team members
                        unitName: seats
                        type: seats
                        allowed: true
                        usage:
                          period:
                            start: '2026-07-10T00:00:00.000Z'
                            end: '2026-08-10T00:00:00.000Z'
                          unitsUsed: 8
                          includedUnits: 5
                          remainingUnits: 0
                          unlimited: false
                          overage:
                            enabled: true
                            units: 3
                            unitPrice:
                              amount: 50000
                              currency: usd
                              scale: 10000
                        object: feature_access
                        livemode: true
                quota:
                  summary: Quota feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: active_projects
                        name: Active projects
                        unitName: projects
                        type: quota
                        allowed: true
                        usage:
                          period:
                            start: '2026-07-10T00:00:00.000Z'
                            end: '2026-08-10T00:00:00.000Z'
                          unitsUsed: 4
                          includedUnits: 5
                          remainingUnits: 1
                          unlimited: false
                          billedUnits: 8
                          overage:
                            enabled: false
                            units: 0
                        object: feature_access
                        livemode: true
                boolean:
                  summary: Boolean feature
                  value:
                    object: list
                    hasMore: false
                    data:
                      - code: advanced_reports
                        name: Advanced reports
                        unitName: null
                        type: boolean
                        allowed: true
                        enabled: true
                        object: feature_access
                        livemode: true
        '400':
          description: Bad request
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: validation_error
                  code: validation_error
                  message: The request contains an invalid parameter.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/validation_error.md
        '401':
          description: Unauthorized
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: authentication_error
                  code: unauthorized
                  message: A valid API key is required.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/unauthorized.md
        '403':
          description: Forbidden
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: authentication_error
                  code: forbidden
                  message: You do not have permission to perform this operation.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/forbidden.md
        '404':
          description: Not found
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: not_found_error
                  code: not_found
                  message: The requested resource was not found.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/not_found.md
        '429':
          description: Too many requests
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
            RateLimit-Limit:
              description: Maximum number of requests allowed in the current window.
              schema:
                type: string
            RateLimit-Remaining:
              description: Requests remaining in the current window.
              schema:
                type: string
            RateLimit-Reset:
              description: Seconds until the rate limit window resets.
              schema:
                type: string
            Retry-After:
              description: Seconds to wait before retrying the request.
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: rate_limit_error
                  code: rate_limited
                  message: >-
                    Too many requests. Retry after the interval specified in the
                    Retry-After header.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/rate_limited.md
        '500':
          description: Internal server error
          headers:
            X-Request-Id:
              $ref: '#/components/headers/RequestId'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              example:
                error:
                  type: internal_error
                  code: internal_error
                  message: An unexpected error occurred while processing the request.
                  doc_url: >-
                    https://commet.co/docs/api-reference/2026-08-27/errors/internal_error.md
      x-codeSamples:
        - lang: typescript
          label: TypeScript
          source: >-
            import { Commet } from "@commet/node";


            const commet = new Commet({ apiKey: "ck_xxx" });


            const response = await commet.featureAccess.list({ customerId:
            "user_123" });
        - lang: python
          label: Python
          source: >-
            from commet import Commet


            commet = Commet("ck_xxx")


            feature_access_list_result =
            commet.feature_access.list(customer_id="user_123")
        - lang: go
          label: Go
          source: "client, err := commet.New(\"ck_xxx\")\nif err != nil {\n\tlog.Fatal(err)\n}\nctx := context.Background()\n\nfeatureAccessListResult, err := client.FeatureAccess.List(ctx, &commet.ListFeatureAccessParams{\n\tCustomerID: \"user_123\",\n})\nif err != nil {\n\tlog.Fatal(err)\n}"
        - lang: java
          label: Java
          source: |-
            import co.commet.Commet;
            import co.commet.params.ListFeatureAccessParams;

            var commet = Commet.builder().apiKey("ck_xxx").build();

            var featureAccessListResult = commet.featureAccess().list(
                ListFeatureAccessParams.builder("user_123").build()
            );
        - lang: php
          label: PHP
          source: >-
            use Commet\Commet;


            $commet = new Commet('ck_xxx');


            $featureAccessListResult = $commet->featureAccess->list(customerId:
            'user_123');
components:
  headers:
    RequestId:
      description: >-
        Server-generated identifier that correlates this response with Platform
        logs.
      schema:
        type: string
        format: uuid
  schemas:
    FeatureAccess:
      oneOf:
        - type: object
          properties:
            code:
              type: string
              description: Unique feature code.
            name:
              type: string
              description: Display name of the feature.
            unitName:
              anyOf:
                - type: string
                - type: 'null'
              description: Display name for one product unit, or null when not applicable.
            allowed:
              type: boolean
              description: >-
                Whether the customer can currently access or consume the
                feature.
            type:
              type: string
              const: boolean
            enabled:
              type: boolean
              description: Whether the feature is enabled.
            baseAccess:
              anyOf:
                - type: object
                  properties:
                    enabled:
                      type: boolean
                  required:
                    - enabled
                  additionalProperties: false
                - type: 'null'
            object:
              type: string
              const: feature_access
            livemode:
              type: boolean
          required:
            - code
            - name
            - unitName
            - allowed
            - type
            - enabled
            - object
            - livemode
          additionalProperties: false
        - type: object
          properties:
            code:
              type: string
              description: Unique feature code.
            name:
              type: string
              description: Display name of the feature.
            unitName:
              anyOf:
                - type: string
                - type: 'null'
              description: Display name for one product unit, or null when not applicable.
            allowed:
              type: boolean
              description: >-
                Whether the customer can currently access or consume the
                feature.
            type:
              type: string
              const: usage
            consumption:
              oneOf:
                - type: object
                  properties:
                    model:
                      type: string
                      const: metered
                      description: >-
                        Usage is measured against an included allowance and
                        overage.
                    period:
                      type: object
                      properties:
                        start:
                          type: string
                          format: date-time
                          description: Inclusive usage period start.
                        end:
                          type: string
                          format: date-time
                          description: Exclusive usage period end.
                      required:
                        - start
                        - end
                      additionalProperties: false
                      description: Time range used to calculate this feature's consumption.
                    unitsUsed:
                      type: number
                      description: Product units recorded during the period.
                    includedUnits:
                      type: number
                      description: >-
                        Product units included in the subscription for the
                        period.
                    remainingUnits:
                      type: number
                      description: >-
                        Included units not yet consumed. Absent when usage is
                        unlimited.
                    unlimited:
                      type: boolean
                      description: Whether the feature has no usage limit.
                    overage:
                      type: object
                      properties:
                        enabled:
                          type: boolean
                          description: >-
                            Whether usage above the included amount is allowed
                            and billed.
                        units:
                          type: number
                          description: Units consumed above the included amount.
                        unitPrice:
                          type: object
                          properties:
                            amount:
                              type: integer
                              exclusiveMinimum: 0
                              maximum: 9007199254740991
                              description: >-
                                Integer rate amount. Divide by scale to obtain
                                the price.
                            currency:
                              type: string
                              description: Lowercase ISO 4217 currency code.
                            scale:
                              type: number
                              const: 10000
                              description: >-
                                Divide amount by scale to obtain the major-unit
                                price.
                          required:
                            - amount
                            - currency
                            - scale
                          additionalProperties: false
                          description: Price for one additional product unit.
                      required:
                        - enabled
                        - units
                      additionalProperties: false
                  required:
                    - model
                    - period
                    - unitsUsed
                    - includedUnits
                    - unlimited
                    - overage
                  additionalProperties: false
                - type: object
                  properties:
                    model:
                      type: string
                      const: credits
                      description: Product usage consumes credits from a shared pool.
                    period:
                      type: object
                      properties:
                        start:
                          type: string
                          format: date-time
                          description: Inclusive usage period start.
                        end:
                          type: string
                          format: date-time
                          description: Exclusive usage period end.
                      required:
                        - start
                        - end
                      additionalProperties: false
                      description: Time range used to calculate this feature's consumption.
                    unitsUsed:
                      type: number
                      description: Product units recorded during the period.
                    creditsPerUnit:
                      type: integer
                      exclusiveMinimum: 0
                      maximum: 9007199254740991
                      description: Credits deducted for each product unit.
                    creditsConsumed:
                      type: number
                      minimum: 0
                      description: >-
                        Actual credits deducted by this feature during the
                        period.
                    availableUnits:
                      type: integer
                      minimum: 0
                      maximum: 9007199254740991
                      description: >-
                        Additional product units available from the current
                        shared credit pool at this feature's conversion rate.
                  required:
                    - model
                    - period
                    - unitsUsed
                    - creditsPerUnit
                    - creditsConsumed
                    - availableUnits
                  additionalProperties: false
                - type: object
                  properties:
                    model:
                      type: string
                      const: balance
                      description: Product usage deducts money from a shared balance.
                    period:
                      type: object
                      properties:
                        start:
                          type: string
                          format: date-time
                          description: Inclusive usage period start.
                        end:
                          type: string
                          format: date-time
                          description: Exclusive usage period end.
                      required:
                        - start
                        - end
                      additionalProperties: false
                      description: Time range used to calculate this feature's consumption.
                    unitsUsed:
                      type: number
                      description: Product units recorded during the period.
                    spent:
                      type: object
                      properties:
                        amount:
                          type: integer
                          minimum: 0
                          maximum: 9007199254740991
                          description: Amount in the currency's smallest unit.
                        currency:
                          type: string
                          description: Lowercase ISO 4217 currency code.
                      required:
                        - amount
                        - currency
                      additionalProperties: false
                      description: >-
                        Actual money deducted for this feature during the
                        period.
                    availableUnits:
                      type: integer
                      minimum: 0
                      maximum: 9007199254740991
                      description: >-
                        Estimated additional units available from the current
                        shared balance at this feature's fixed price. Absent for
                        dynamic pricing.
                    unitPrice:
                      type: object
                      properties:
                        amount:
                          type: integer
                          exclusiveMinimum: 0
                          maximum: 9007199254740991
                          description: >-
                            Integer rate amount. Divide by scale to obtain the
                            price.
                        currency:
                          type: string
                          description: Lowercase ISO 4217 currency code.
                        scale:
                          type: number
                          const: 10000
                          description: >-
                            Divide amount by scale to obtain the major-unit
                            price.
                      required:
                        - amount
                        - currency
                        - scale
                      additionalProperties: false
                      description: Price for one additional product unit.
                  required:
                    - model
                    - period
                    - unitsUsed
                    - spent
                  additionalProperties: false
            baseAccess:
              anyOf:
                - type: object
                  properties:
                    includedUnits:
                      type: number
                    unlimited:
                      type: boolean
                  required:
                    - includedUnits
                    - unlimited
                  additionalProperties: false
                - type: 'null'
            object:
              type: string
              const: feature_access
            livemode:
              type: boolean
          required:
            - code
            - name
            - unitName
            - allowed
            - type
            - consumption
            - object
            - livemode
          additionalProperties: false
        - type: object
          properties:
            code:
              type: string
              description: Unique feature code.
            name:
              type: string
              description: Display name of the feature.
            unitName:
              anyOf:
                - type: string
                - type: 'null'
              description: Display name for one product unit, or null when not applicable.
            allowed:
              type: boolean
              description: >-
                Whether the customer can currently access or consume the
                feature.
            type:
              type: string
              const: seats
            usage:
              type: object
              properties:
                period:
                  type: object
                  properties:
                    start:
                      type: string
                      format: date-time
                      description: Inclusive usage period start.
                    end:
                      type: string
                      format: date-time
                      description: Exclusive usage period end.
                  required:
                    - start
                    - end
                  additionalProperties: false
                  description: Time range used to calculate this feature's consumption.
                unitsUsed:
                  type: number
                  description: Current units assigned or in use.
                includedUnits:
                  type: number
                  description: Units included in the subscription for the period.
                remainingUnits:
                  type: number
                  description: >-
                    Included units still available. Absent when usage is
                    unlimited.
                unlimited:
                  type: boolean
                  description: Whether the feature has no usage limit.
                overage:
                  type: object
                  properties:
                    enabled:
                      type: boolean
                      description: >-
                        Whether usage above the included amount is allowed and
                        billed.
                    units:
                      type: number
                      description: Units consumed above the included amount.
                    unitPrice:
                      type: object
                      properties:
                        amount:
                          type: integer
                          exclusiveMinimum: 0
                          maximum: 9007199254740991
                          description: >-
                            Integer rate amount. Divide by scale to obtain the
                            price.
                        currency:
                          type: string
                          description: Lowercase ISO 4217 currency code.
                        scale:
                          type: number
                          const: 10000
                          description: >-
                            Divide amount by scale to obtain the major-unit
                            price.
                      required:
                        - amount
                        - currency
                        - scale
                      additionalProperties: false
                      description: Price for one additional product unit.
                  required:
                    - enabled
                    - units
                  additionalProperties: false
              required:
                - period
                - unitsUsed
                - includedUnits
                - unlimited
                - overage
              additionalProperties: false
            baseAccess:
              anyOf:
                - type: object
                  properties:
                    includedUnits:
                      type: number
                    unlimited:
                      type: boolean
                  required:
                    - includedUnits
                    - unlimited
                  additionalProperties: false
                - type: 'null'
            object:
              type: string
              const: feature_access
            livemode:
              type: boolean
          required:
            - code
            - name
            - unitName
            - allowed
            - type
            - usage
            - object
            - livemode
          additionalProperties: false
        - type: object
          properties:
            code:
              type: string
              description: Unique feature code.
            name:
              type: string
              description: Display name of the feature.
            unitName:
              anyOf:
                - type: string
                - type: 'null'
              description: Display name for one product unit, or null when not applicable.
            allowed:
              type: boolean
              description: >-
                Whether the customer can currently access or consume the
                feature.
            type:
              type: string
              const: quota
            usage:
              type: object
              properties:
                period:
                  type: object
                  properties:
                    start:
                      type: string
                      format: date-time
                      description: Inclusive usage period start.
                    end:
                      type: string
                      format: date-time
                      description: Exclusive usage period end.
                  required:
                    - start
                    - end
                  additionalProperties: false
                  description: Time range used to calculate this feature's consumption.
                unitsUsed:
                  type: number
                  description: Current units assigned or in use.
                includedUnits:
                  type: number
                  description: Units included in the subscription for the period.
                remainingUnits:
                  type: number
                  description: >-
                    Included units still available. Absent when usage is
                    unlimited.
                unlimited:
                  type: boolean
                  description: Whether the feature has no usage limit.
                overage:
                  type: object
                  properties:
                    enabled:
                      type: boolean
                      description: >-
                        Whether usage above the included amount is allowed and
                        billed.
                    units:
                      type: number
                      description: Units consumed above the included amount.
                    unitPrice:
                      type: object
                      properties:
                        amount:
                          type: integer
                          exclusiveMinimum: 0
                          maximum: 9007199254740991
                          description: >-
                            Integer rate amount. Divide by scale to obtain the
                            price.
                        currency:
                          type: string
                          description: Lowercase ISO 4217 currency code.
                        scale:
                          type: number
                          const: 10000
                          description: >-
                            Divide amount by scale to obtain the major-unit
                            price.
                      required:
                        - amount
                        - currency
                        - scale
                      additionalProperties: false
                      description: Price for one additional product unit.
                  required:
                    - enabled
                    - units
                  additionalProperties: false
                billedUnits:
                  type: number
                  description: >-
                    Highest quota reached during the period and used for
                    billing.
              required:
                - period
                - unitsUsed
                - includedUnits
                - unlimited
                - overage
                - billedUnits
              additionalProperties: false
            baseAccess:
              anyOf:
                - type: object
                  properties:
                    includedUnits:
                      type: number
                    unlimited:
                      type: boolean
                  required:
                    - includedUnits
                    - unlimited
                  additionalProperties: false
                - type: 'null'
            object:
              type: string
              const: feature_access
            livemode:
              type: boolean
          required:
            - code
            - name
            - unitName
            - allowed
            - type
            - usage
            - object
            - livemode
          additionalProperties: false
    ErrorResponse:
      type: object
      properties:
        error:
          type: object
          properties:
            type:
              type: string
            code:
              type: string
            message:
              type: string
            param:
              type: string
            details: {}
            doc_url:
              type: string
          required:
            - type
            - code
            - message
            - doc_url
          additionalProperties: false
      required:
        - error
      additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````

## Related topics

- [Addons](/docs/es/add-ons.md)
- [List features](/docs/es/api-reference/features/list-features.md)
- [Get feature access](/docs/es/api-reference/features/get-feature-access.md)
- [CLI](/docs/es/cli.md)
- [List plan grants](/docs/es/api-reference/customers/list-plan-grants.md)


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