---
title: "Changes to Test a subscription function"
method: POST
path: "/v1/projects/{projectID}/subscriptions/test_function"
---

# Changes to Test a subscription function

`POST /v1/projects/{projectID}/subscriptions/test_function`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 106 revisions.

- **2026-07-20** (v3) `bae289777c91`: 6 breaking, 4 info
- **2024-04-04** (v3) `317ec51848e3`: 1 info
- **2024-03-26** (v3) `28d285e4302c`: 4 warning, 1 info
- **2023-11-17** (v3) `41d4fca4cab8`: 1 info

## Changes

- **2026-07-20** (v3) `bae289777c91`: 6 breaking, 4 info
  - the response property `allOf[subschema #2]/data` became nullable for the status `400`
  - the response property `allOf[subschema #2]/data` became nullable for the status `401`
  - the response property `allOf[subschema #2]/data` became nullable for the status `404`
  - the `allOf[subschema #2]/data` response's property type changed from `object` to no type for status `400`
  - the `allOf[subschema #2]/data` response's property type changed from `object` to no type for status `401`
  - the `allOf[subschema #2]/data` response's property type changed from `object` to no type for status `404`
  - the request property `payload` became nullable
  - added `#/components/schemas/handlers.Stub` to the `allOf[subschema #2]/data` response property `allOf` list for the response status `400`
  - added `#/components/schemas/handlers.Stub` to the `allOf[subschema #2]/data` response property `allOf` list for the response status `401`
  - added `#/components/schemas/handlers.Stub` to the `allOf[subschema #2]/data` response property `allOf` list for the response status `404`
- **2024-04-04** (v3) `317ec51848e3`: 1 info
  - added the new optional request property `type`
- **2024-03-26** (v3) `28d285e4302c`: 4 warning, 1 info
  - removed the optional property `allOf[#/components/schemas/util.ServerResponse]/data` from the response with the `200` status
  - removed the optional property `allOf[#/components/schemas/util.ServerResponse]/data` from the response with the `400` status
  - removed the optional property `allOf[#/components/schemas/util.ServerResponse]/data` from the response with the `401` status
  - removed the optional property `allOf[#/components/schemas/util.ServerResponse]/data` from the response with the `404` status
  - api operation id `TestSubscriptionFunction` was added
- **2023-11-17** (v3) `41d4fca4cab8`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/getconvoy/apis/convoy-api-reference/docs/v1/projects/:projectID/subscriptions/test_function/post.md) - [API](https://skmtc.dev/getconvoy/apis/convoy-api-reference.md) - [Page](https://skmtc.dev/getconvoy/apis/convoy-api-reference/changes/v1/projects/:projectID/subscriptions/test_function/post)