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Add feature to plan POSTAdd price to plan POSTCreate plan POSTArchive plan price DELETEDelete plan DELETEDelete regional prices DELETEGet plan GETList plans GETRemove feature from plan DELETESet default price PUTSet plan regional pricing PUTSet plan visibility PUTUpdate plan feature PATCHUpdate plan price PATCHUpdate plan PATCHUpsert regional prices PUT
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Add feature to plan

Attach a feature to a plan with limits, overage, and credits configuration.

POST
/plans/{id}/features

Attach a feature to a plan with limits, overage, and credits configuration.

Authorization

ApiKeyAuth
x-api-key<token>

In: header

Path Parameters

id*string

Header Parameters

Idempotency-Key?string

Unique key used to safely retry this write for 24 hours without applying it twice.

Length1 <= length <= 200

Request Body

application/json

TypeScript Definitions

Use the request body type in TypeScript.

Response Body

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

application/json

curl -X POST "https://example.com/plans/string/features" \  -H "Content-Type: application/json" \  -d '{    "featureId": "string"  }'
{  "planId": "plan_1a2b3c4d",  "featureId": "feat_1a2b3c4d",  "enabled": true,  "includedAmount": 1000,  "unlimited": false,  "overage": {    "enabled": false,    "unitPrice": 0  },  "creditsPerUnit": null,  "pricingMode": "fixed",  "margin": null,  "object": "plan_feature",  "livemode": false}
{  "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"  }}
{  "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"  }}
{  "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"  }}
{  "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"  }}
{  "error": {    "type": "conflict_error",    "code": "idempotency_in_progress",    "message": "A request with this idempotency key is still being processed.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_in_progress.md"  }}
{  "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"  }}
{  "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"  }}
{  "error": {    "type": "internal_error",    "code": "idempotency_unavailable",    "message": "Idempotency storage is temporarily unavailable. Retry with the same idempotency key.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/idempotency_unavailable.md"  }}

Update plan group PATCH

Update a plan group's name, description, or visibility.

Add price to plan POST

Add a base price or a selectable market price variant. Variants inherit their base price outside the markets they override. Configure introductory and promotional benefits through Offers.

featureId*string
Length1 <= length
enabled?boolean
Defaulttrue
includedAmount?integer
Range0 <= value <= 9007199254740991
Default0
unlimited?boolean
Defaultfalse
overage?

Default

{  "enabled": false,  "unitPrice": 0}
creditsPerUnit?|null
pricingMode?string
Default"fixed"

Value in

  • "fixed"
  • "ai_model"
margin?|null