> ## 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. # Get feature access > Get one feature's access and current usage for a customer. To evaluate a prospective consumption, use POST /usage/check. Get one feature's access and current usage for a customer. To evaluate a prospective consumption, use POST /usage/check. ## OpenAPI ````yaml /openapi/es/rest/2026-08-27.json get /feature-access/{code} 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/{code}: get: tags: - Features summary: Get feature access description: >- Get one feature's access and current usage for a customer. To evaluate a prospective consumption, use POST /usage/check. operationId: get-feature-access parameters: - name: code in: path required: true schema: type: string - 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: $ref: '#/components/schemas/FeatureAccess' example: code: api_calls name: API Calls unitName: calls type: usage allowed: true consumption: model: metered period: start: '2026-09-07T12:00:00.000Z' end: '2026-10-07T12:00:00.000Z' unitsUsed: 250 includedUnits: 1000 remainingUnits: 750 unlimited: false overage: enabled: false units: 0 object: feature_access livemode: false '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 featureAccess = await commet.featureAccess.get({ code: "api_calls", customerId: "user_123", }); - lang: python label: Python source: |- from commet import Commet commet = Commet("ck_xxx") feature_access = commet.feature_access.get( "api_calls", 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\nfeatureAccess, err := client.FeatureAccess.Get(ctx, \"api_calls\", &commet.GetFeatureAccessParams{\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.GetFeatureAccessParams; var commet = Commet.builder().apiKey("ck_xxx").build(); var featureAccess = commet.featureAccess().get( "api_calls", GetFeatureAccessParams.builder("user_123").build() ); - lang: php label: PHP source: |- use Commet\Commet; $commet = new Commet('ck_xxx'); $featureAccess = $commet->featureAccess->get( code: 'api_calls', 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 - [List feature access](/docs/es/api-reference/features/list-feature-access.md) - [Addons](/docs/es/add-ons.md) - [Get feature](/docs/es/api-reference/features/get-feature.md) - [CLI](/docs/es/cli.md) - [Configurar features](/docs/es/configure-features.md) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.