Builds

Image builds (Railpack, Dockerfile or a pulled image) with scans, SBOM and signatures.

Operation	Method and path
Get a build	GET /v1/builds/{build_id}
Build logs	GET /v1/builds/{build_id}/logs
Cancel a running build	POST /v1/builds/{build_id}/cancel

Get a build

GET /v1/builds/{build_id}

• Operation: getBuild
• Scopes: projects:read

Parameters

Name	In	Type	Description
build_id *	path	string

Responses

Status	Meaning	Body
200 OK	OK.	Build

Errors: 400, 401, 403, 404, 429, 500, as problem+json with a stable code.

Example

curl https://api.guv.dev/v1/builds/bui_01jbx2m9k7q4r8t5v6w3y0z1pr \
  -H "Authorization: Bearer $GUV_TOKEN"

Example response

{
  "id": "bld_01jbx2m9k7q4r8t5v6w3y0z1pr",
  "project_id": "string",
  "environment_id": "string",
  "service_id": "string",
  "deployment_id": "string",
  "status": "queued",
  "builder": "railpack",
  "detected": {
    "language": "node",
    "language_version": "22",
    "framework": "nextjs",
    "summary": "We'll build a Next.js app with Node 22."
  },
  "commit": {
    "sha": "a1b2c3d4e5f60718293a4b5c6d7e8f9012345678",
    "branch": "string",
    "message": "string",
    "author": "string",
    "url": "https://guv.dev/"
  },
  "image": {
    "digest": "string",
    "size_bytes": 1,
    "signed": false,
    "sbom_url": "string",
    "provenance_url": "string"
  },
  "scan": {
    "secrets_found": 1,
    "secrets_in_bundle": 1,
    "vulnerabilities": {
      "critical": 1,
      "high": 1,
      "medium": 1,
      "low": 1,
      "kev": 1
    },
    "blocked": false,
    "block_reason": "string"
  },
  "cache_hit_ratio": 0.5,
  "created_at": "2026-10-22T13:05:00Z",
  "started_at": "2026-10-22T13:05:00Z",
  "finished_at": "2026-10-22T13:05:00Z",
  "duration_ms": 1
}

Build logs

GET /v1/builds/{build_id}/logs

JSON page by default; Accept: text/event-stream follows the build live.

• Operation: getBuildLogs
• Scopes: logs:read

Parameters

Name	In	Type	Description
build_id *	path	string
follow	query	boolean

Responses

Status	Meaning	Body
200 OK	OK.	LogQueryResult

Errors: 400, 401, 403, 404, 429, 500, as problem+json with a stable code.

Example

curl https://api.guv.dev/v1/builds/bui_01jbx2m9k7q4r8t5v6w3y0z1pr/logs \
  -H "Authorization: Bearer $GUV_TOKEN"

Example response

{
  "lines": [
    {
      "id": "lg_9f8e7d6c5b",
      "timestamp": "2026-10-23T14:04:02.123Z",
      "source": "runtime",
      "level": "error",
      "message": "TypeError: Cannot read properties of undefined (reading 'id')",
      "service": {
        "id": "svc_01jbx2m9k7q4r8t5v6w3y0z1sv",
        "name": "web"
      },
      "environment": "production",
      "deployment_id": "dep_01jbx2m9k7q4r8t5v6w3y0z1dp",
      "replica": "web-1",
      "http": null,
      "attributes": {},
      "redacted": false
    }
  ],
  "next_cursor": "string",
  "has_more": false,
  "query": "string",
  "dropped_lines": 1
}

Cancel a running build

POST /v1/builds/{build_id}/cancel

• Operation: cancelBuild
• Scopes: projects:write
• Idempotency-Key: required; supports ?dry_run=true

Parameters

Name	In	Type	Description
build_id *	path	string

Responses

Status	Meaning	Body
200 OK	OK. With dry_run=true: a Plan (application/vnd.guv.plan+json) and nothing changes.	Build

Errors: 400, 401, 403, 404, 409, 422, 429, 500, as problem+json with a stable code.

Example

curl -X POST https://api.guv.dev/v1/builds/bui_01jbx2m9k7q4r8t5v6w3y0z1pr/cancel \
  -H "Authorization: Bearer $GUV_TOKEN" \
  -H "Idempotency-Key: $(uuidgen)"

Example response

{
  "id": "bld_01jbx2m9k7q4r8t5v6w3y0z1pr",
  "project_id": "string",
  "environment_id": "string",
  "service_id": "string",
  "deployment_id": "string",
  "status": "queued",
  "builder": "railpack",
  "detected": {
    "language": "node",
    "language_version": "22",
    "framework": "nextjs",
    "summary": "We'll build a Next.js app with Node 22."
  },
  "commit": {
    "sha": "a1b2c3d4e5f60718293a4b5c6d7e8f9012345678",
    "branch": "string",
    "message": "string",
    "author": "string",
    "url": "https://guv.dev/"
  },
  "image": {
    "digest": "string",
    "size_bytes": 1,
    "signed": false,
    "sbom_url": "string",
    "provenance_url": "string"
  },
  "scan": {
    "secrets_found": 1,
    "secrets_in_bundle": 1,
    "vulnerabilities": {
      "critical": 1,
      "high": 1,
      "medium": 1,
      "low": 1,
      "kev": 1
    },
    "blocked": false,
    "block_reason": "string"
  },
  "cache_hit_ratio": 0.5,
  "created_at": "2026-10-22T13:05:00Z",
  "started_at": "2026-10-22T13:05:00Z",
  "finished_at": "2026-10-22T13:05:00Z",
  "duration_ms": 1
}