--- title: "Changes to Create Campaign" method: POST path: "/v2/campaigns" --- # Changes to Create Campaign `POST /v2/campaigns` > Every recorded change to this operation, newest first. ## Timeline Changed in 5 of 29 revisions. - **2026-10-29** `778a11cd2c15`: 4 warning, 6 info - **2026-10-16** `882b8ce1ff7a`: 2 breaking - **2026-09-30** `bfb85c07a3d3`: 1 info - **2026-09-23** `7b4c0e9ccb3a`: 2 info - **2026-09-09** `217c96dc9a29`: 21 breaking, 130 info ## Changes - **2026-10-29** `778a11cd2c15`: 4 warning, 6 info - added the new `credentials_missing` enum value to the `code/anyOf[subschema #1]/` response property for the response status `403` - added the new `credentials_missing` enum value to the `code/anyOf[subschema #1]/` response property for the response status `404` - added the new `credentials_missing` enum value to the `code/anyOf[subschema #1]/` response property for the response status `409` - added the new `credentials_missing` enum value to the `code/anyOf[subschema #1]/` response property for the response status `429` - added `subschema #1, subschema #2` to the response body `anyOf` list for the response status `500` - added `subschema #1, subschema #2, subschema #3, subschema #4, subschema #5` to the response body `anyOf` list for the response status `401` - added `subschema #2, subschema #3, subschema #4, subschema #5` to the response body `anyOf` list for the response status `400` - removed `subschema #1, subschema #2` from the response body `anyOf` list for the response status `500` - removed `subschema #1, subschema #2, subschema #3, subschema #4, subschema #5` from the response body `anyOf` list for the response status `401` - removed `subschema #2, subschema #3, subschema #4, subschema #5` from the response body `anyOf` list for the response status `400` - **2026-10-16** `882b8ce1ff7a`: 2 breaking - request property `audiences/anyOf[subschema #1]/items/variants/items/percentage` list-of-types was narrowed by removing types `number` from media type `application/json` - the `audiences/anyOf[subschema #1]/items/variants/items/percentage/anyOf[subschema #1]/` request property type changed from `number` to `integer` - **2026-09-30** `bfb85c07a3d3`: 1 info - added the optional property `can_reset_assignments` to the response with the `200` status - **2026-09-23** `7b4c0e9ccb3a`: 2 info - added the new optional request property `placements/anyOf[subschema #1]/items/delivery_mode` - added the optional property `placements/items/delivery_mode` to the response with the `200` status - **2026-09-09** `217c96dc9a29`: 21 breaking, 130 info - removed `subschema #1, subschema #2` from the `notes` request property `anyOf` list - the `audiences` request property type changed from `array` to no type - the `placements` request property type changed from `array` to no type - the `code` response's property type changed from `string` to no type for status `403` - the `code` response's property type changed from `string` to no type for status `404` - the `code` response's property type changed from `string` to no type for status `409` - the `code` response's property type changed from `string` to no type for status `429` - the `doc_url` response's property type changed from `string` to no type for status `403` - the `doc_url` response's property type changed from `string` to no type for status `404` - the `existing_campaign_id` response's property type changed from `string` to no type for status `409` - the `message` response's property type changed from `string` to no type for status `404` - the `message` response's property type changed from `string` to no type for status `429` - the `param` response's property type changed from `string` to no type for status `404` - the `required_scope` response's property type changed from `string` to no type for status `403` - the `resource_id` response's property type changed from `string` to no type for status `404` - the `resource_type` response's property type changed from `string` to no type for status `404` - the `retry_after` response's property type changed from `number` to no type for status `429` - the `type` response's property type changed from `string` to no type for status `403` - the `type` response's property type changed from `string` to no type for status `404` - the `type` response's property type changed from `string` to no type for status `409` - the `type` response's property type changed from `string` to no type for status `429` - added the new optional request property `delivery_mode` - added `subschema #1` to the `audiences` request property `anyOf` list - added `subschema #1` to the `notes` request property `anyOf` list - added `subschema #1` to the `placements` request property `anyOf` list - added `subschema #1, subschema #2` to the response body `anyOf` list for the response status `500` - added `subschema #1, subschema #2, subschema #3, subschema #4, subschema #5` to the response body `anyOf` list for the response status `401` - added `subschema #2, subschema #3, subschema #4, subschema #5` to the response body `anyOf` list for the response status `400` - removed `subschema #1: Missing API Key, subschema #2: Invalid API Key Format, subschema #3: Invalid API Key, subschema #4: Authentication Failed, subschema #5: Invalid Session` from the response body `anyOf` list for the response status `401` - removed `subschema #1: Side Effect Execution Error, subschema #2: Internal Server Error` from the response body `anyOf` list for the response status `500` - removed `subschema #2: Bad Request, subschema #3: Invalid Variant Percentages, subschema #4: Invalid Placement Name, subschema #5: Invalid Paywall Reference` from the response body `anyOf` list for the response status `400` - added `subschema #1` to the `code` response property `anyOf` list for the response status `403` - added `subschema #1` to the `code` response property `anyOf` list for the response status `404` - added `subschema #1` to the `code` response property `anyOf` list for the response status `409` - added `subschema #1` to the `code` response property `anyOf` list for the response status `429` - added `subschema #1` to the `doc_url` response property `anyOf` list for the response status `403` - added `subschema #1` to the `doc_url` response property `anyOf` list for the response status `404` - added `subschema #1` to the `existing_campaign_id` response property `anyOf` list for the response status `409` - added `subschema #1` to the `message` response property `anyOf` list for the response status `404` - added `subschema #1` to the `message` response property `anyOf` list for the response status `429` - …111 more - …this revision’s changelog is incomplete --- [Operation](https://skmtc.dev/superwall/apis/superwall-api-v2/docs/v2/campaigns/post.md) - [API](https://skmtc.dev/superwall/apis/superwall-api-v2.md) - [Page](https://skmtc.dev/superwall/apis/superwall-api-v2/changes/v2/campaigns/post)