---
title: "Changes to Start template build (v2)"
method: POST
path: "/v2/templates/{templateID}/builds/{buildID}"
---

# Changes to Start template build (v2)

`POST /v2/templates/{templateID}/builds/{buildID}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 10 of 68 revisions.

- **2026-10-20** `861cbb1d47a7`: 1 breaking
- **2026-09-14** `a37f50c70019`: 2 breaking, 2 info
- **2026-09-07** `fc7dc26a953d`: 1 info
- **2026-08-20** `e01b3f5506fe`: 2 info
- **2026-07-24** `93ed246a4c10`: 2 info
- **2026-05-27** `e13ef89d456c`: 1 info
- **2026-01-27** `05ac348d449f`: 2 info
- **2025-09-03** `a5bc2df672a8`: 1 info
- **2025-08-10** `33c54d8135e6`: 1 breaking, 3 info
- **2025-07-28** `b29b6d5a3f08`: 1 info

## Changes

- **2026-10-20** `861cbb1d47a7`: 1 breaking
  - added the pattern `^[0-9a-f]{64}$` to the request property `steps/items/filesHash`
- **2026-09-14** `a37f50c70019`: 2 breaking, 2 info
  - the `fromImage` request property's minLength was increased from `0` to `1`
  - the `fromTemplate` request property's minLength was increased from `0` to `1`
  - added the non-success response with the status `400`
  - added the non-success response with the status `429`
- **2026-09-07** `fc7dc26a953d`: 1 info
  - the endpoint scheme security `AdminJWTAuth AND AdminTeamAuth` was added to the API
- **2026-08-20** `e01b3f5506fe`: 2 info
  - added the optional property `error_code` to the response with the `401` status
  - added the optional property `error_code` to the response with the `500` status
- **2026-07-24** `93ed246a4c10`: 2 info
  - the endpoint scheme security `AdminApiKeyAuth AND AdminTeamAuth` was added to the API
  - the endpoint scheme security `Supabase1TokenAuth AND Supabase2TeamAuth` was removed from the API
- **2026-05-27** `e13ef89d456c`: 1 info
  - the endpoint scheme security `AuthProviderBearerAuth AND AuthProviderTeamAuth` was added to the API
- **2026-01-27** `05ac348d449f`: 2 info
  - the endpoint scheme security `Supabase1TokenAuth AND Supabase2TeamAuth` was added to the API
  - the endpoint scheme security `Supabase1TokenAuth` was removed from the API
- **2025-09-03** `a5bc2df672a8`: 1 info
  - added the new optional request property `fromImageRegistry`
- **2025-08-10** `33c54d8135e6`: 1 breaking, 3 info
  - the request's body type changed from no type to `object`
  - the endpoint scheme security `AccessTokenAuth` was removed from the API
  - added the new optional request property `fromTemplate`
  - the request property `fromImage` became optional
- **2025-07-28** `b29b6d5a3f08`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/e2b-dev/apis/e2b-api/docs/v2/templates/:templateID/builds/:buildID/post.md) - [API](https://skmtc.dev/e2b-dev/apis/e2b-api.md) - [Page](https://skmtc.dev/e2b-dev/apis/e2b-api/changes/v2/templates/:templateID/builds/:buildID/post)