# Start build

**POST /api/v1/projects/{id}/workspaces/{workspace_id}/builds/{build_id}/start**

Proxies to ECP to start a build after archive upload. ECP verifies the S3 archive before starting CodeBuild. The project scope is carried by the route id path parameter and the org is derived from that project.


## Servers
- https://agentengine.mongodb.com: https://agentengine.mongodb.com ()


## Authentication methods
- Bearer auth


## Parameters

### Path parameters

- **id** (string)
  Project ID

- **workspace_id** (string)
  Workspace ID

- **build_id** (string)
  Build ID




## Responses
### 406
Unsupported or malformed API version, an operation unavailable in the selected published contract, or an unacceptable representation (including unsupported media-type parameters or excluded SSE). Existing authentication, authorization, and rate-limit failures take precedence.

#### Body: application/json (object)
- **badRequestDetail** (object)
  Optional validation details defined by the standard error schema; API negotiation errors do not emit this field.

- **detail** (string)
  Human-readable error details.

- **error** (integer)
  HTTP status code.

- **errorCode** (string)
  Machine-readable error code.

- **parameters** (array[string])
  Request parameter names associated with the error; omitted when none apply.

- **reason** (string)
  HTTP status reason phrase.


### 200
OK

#### Body: application/json (object)
object
### 400
Bad Request

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 403
Forbidden

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 429
Too Many Requests
#### Headers

- **Retry-After** (string)
  Seconds to wait before retrying


#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 502
Bad Gateway

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 503
Service Unavailable
#### Headers

- **Retry-After** (string)
  Seconds to wait before retrying


#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)



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