--- title: "Changes to Create subscription line item" method: POST path: "/subscriptions/{id}/lineitems" --- # Changes to Create subscription line item `POST /subscriptions/{id}/lineitems` > Every recorded change to this operation, newest first. ## Timeline Changed in 7 of 13 revisions. - **2026-06-29** `cef2964c102c`: 2 warning, 4 info - **2026-05-18** `f62d8a5fe7cf`: 6 warning - **2026-05-18** `0cb3425d6580`: 6 warning, 5 info - **2026-04-23** `82f205e0f429`: 3 warning, 3 info - **2026-04-06** `4ded3711f401`: 6 warning, 12 info - **2026-04-04** `d1860fe0ee67`: 4 breaking - **2026-03-20** `bc91c95fbb1a`: 1 info ## Changes - **2026-06-29** `cef2964c102c`: 2 warning, 4 info - added the new `config` enum value to the `price/addon/entitlements/items/feature/type` response property for the response status `201` - added the new `config` enum value to the `price/addon/entitlements/items/feature_type` response property for the response status `201` - added the new optional request property `commitment_time_buckets` - added the optional property `commitment_time_buckets` to the response with the `201` status - added the optional property `price/addon/entitlements/items/config_value` to the response with the `201` status - added the optional property `price/sequence` to the response with the `201` status - **2026-05-18** `f62d8a5fe7cf`: 6 warning - removed the optional property `details` from the response with the `400` status - removed the optional property `details` from the response with the `404` status - removed the optional property `details` from the response with the `500` status - added the new `too_many_requests` enum value to the `code` response property for the response status `400` - added the new `too_many_requests` enum value to the `code` response property for the response status `404` - added the new `too_many_requests` enum value to the `code` response property for the response status `500` - **2026-05-18** `0cb3425d6580`: 6 warning, 5 info - removed the request property `price/billing_cadence` - removed the optional property `price/addon/type` from the response with the `201` status - removed the optional property `trial_period_days` from the response with the `201` status - added the new `ONETIME` enum value to the `billing_period` response property for the response status `201` - added the new `ONETIME` enum value to the `commitment_duration` response property for the response status `201` - added the new `ONETIME` enum value to the `price/billing_period` response property for the response status `201` - added the new optional request property `proration_behavior` - added the new `ONETIME` enum value to the request property `commitment_duration` - added the new `ONETIME` enum value to the request property `price/billing_period` - added the optional property `addon_association_id` to the response with the `201` status - removed the `ONETIME` enum value from the `price/billing_cadence` response property for the response status `201` - **2026-04-23** `82f205e0f429`: 3 warning, 3 info - removed the request property `price/trial_period` - removed the optional property `price/trial_period` from the response with the `201` status - removed the optional property `trial_period` from the response with the `201` status - added the new optional request property `price/trial_period_days` - added the optional property `price/trial_period_days` to the response with the `201` status - added the optional property `trial_period_days` to the response with the `201` status - **2026-04-06** `4ded3711f401`: 6 warning, 12 info - removed the optional property `error` from the response with the `400` status - removed the optional property `error` from the response with the `404` status - removed the optional property `error` from the response with the `500` status - removed the optional property `success` from the response with the `400` status - removed the optional property `success` from the response with the `404` status - removed the optional property `success` from the response with the `500` status - added the optional property `code` to the response with the `400` status - added the optional property `code` to the response with the `404` status - added the optional property `code` to the response with the `500` status - added the optional property `details` to the response with the `400` status - added the optional property `details` to the response with the `404` status - added the optional property `details` to the response with the `500` status - added the optional property `http_status_code` to the response with the `400` status - added the optional property `http_status_code` to the response with the `404` status - added the optional property `http_status_code` to the response with the `500` status - added the optional property `message` to the response with the `400` status - added the optional property `message` to the response with the `404` status - added the optional property `message` to the response with the `500` status - **2026-04-04** `d1860fe0ee67`: 4 breaking - the `end_date` request property format changed from no format to `date-time` - the `price/end_date` request property format changed from no format to `date-time` - the `price/start_date` request property format changed from no format to `date-time` - the `start_date` request property format changed from no format to `date-time` - **2026-03-20** `bc91c95fbb1a`: 1 info - endpoint added --- [Operation](https://skmtc.dev/flexprice/apis/flexprice-api-2/docs/subscriptions/:id/lineitems/post.md) - [API](https://skmtc.dev/flexprice/apis/flexprice-api-2.md) - [Page](https://skmtc.dev/flexprice/apis/flexprice-api-2/changes/subscriptions/:id/lineitems/post)