> ## Documentation Index > Fetch the complete documentation index at: https://docs.use.observer/llms.txt > Use this file to discover all available pages before exploring further. # Delete an agent > Deletes the agent like the console does. Its key stops working at once and its heartbeat history goes with it. Metrics assigned to it are kept but no longer have an agent, so they stop receiving data until assigned to another one. ## OpenAPI ````yaml api-reference/openapi.json DELETE /agents/{id} openapi: 3.1.0 info: title: Observer API version: 1.0.0 description: >- Public API for Observer: read services, metrics, SLOs and SLA statements; manage incidents, maintenance windows, manual metric status, config as code and Observer Agents. Bearer-auth via API keys (obs_pub_…), scoped per key. RFC 7807 problem-detail errors. Cursor pagination. Rate limits are per organization. servers: - url: https://use.observer/api/v1 security: - bearerAuth: [] paths: /agents/{id}: parameters: - name: id in: path required: true description: Agent id. schema: type: string format: uuid delete: tags: - agents summary: >- Delete an Observer Agent (its key stops working; its metrics are kept, unassigned) description: >- Deletes the agent like the console does. Its key stops working at once and its heartbeat history goes with it. Metrics assigned to it are kept but no longer have an agent, so they stop receiving data until assigned to another one. operationId: deleteAgent responses: '200': description: deleted content: application/json: schema: type: object properties: deleted: type: boolean id: type: string format: uuid '401': description: >- `unauthenticated`: no bearer token was sent, or the key is invalid or revoked. `detail` distinguishes the two. content: application/problem+json: schema: $ref: '#/components/schemas/Problem' '403': description: >- `forbidden`: the key does not carry the scope this endpoint requires. `plan_does_not_permit_api`: the organization's plan does not include the public API. content: application/problem+json: schema: $ref: '#/components/schemas/Problem' '404': description: >- `not_found`: no agent with that id is available to this key. One owned by another organization, or an id that is not a valid UUID, returns the same response, so a 404 does not confirm that the id is unused. content: application/problem+json: schema: $ref: '#/components/schemas/Problem' '429': description: >- `rate_limited`: the organization's per-minute or daily request limit is used up (`limit.window` says which). Limits are per organization, shared by every key. The response carries `Retry-After` and `retry_after`, in seconds. content: application/problem+json: schema: $ref: '#/components/schemas/Problem' '500': description: '`internal_error`: an unhandled server error. Safe to retry.' content: application/problem+json: schema: $ref: '#/components/schemas/Problem' security: - bearerAuth: - write:agents components: schemas: Problem: type: object required: - type - title - status example: type: https://docs.use.observer/api/getting-started/errors#forbidden title: forbidden status: 403 detail: 'missing scope: write:incidents' properties: type: type: string format: uri description: Errors reference URI with the title token as the fragment. example: https://docs.use.observer/api/getting-started/errors#forbidden title: type: string description: Stable error token. Branch on this, not on detail. status: type: integer detail: type: string description: Human-readable explanation. Wording may change. retry_after: type: integer description: >- 429 only: seconds until the exhausted window resets (mirrors Retry-After). limit: type: object description: '429 only: which organization limit was hit.' properties: scope: type: string enum: - organization window: type: string enum: - minute - day max: type: integer plan: type: string errors: type: array description: >- Validation failures (config_invalid, invalid_customer_targeting): one entry per problem. items: type: object properties: path: type: string message: type: string warnings: type: array description: >- config_invalid only: the same non-fatal warnings a successful apply returns. items: type: object properties: path: type: string message: type: string unknown_customers: type: array description: >- unknown_customers only: the submitted values that matched no customer in your organization. items: type: string referenced_by: type: object description: >- in_use only: what depends on the object (slos, pages: lists of { id, config_key, name }; subscribers: a count). quota: type: object description: >- quota_exceeded / feature_locked on a create only: the plan limit that blocked it. properties: capability: type: string used: type: - integer - 'null' cap: type: - integer - 'null' plan: type: - string - 'null' upgrade: type: object description: >- Plan-limit problems only, when a higher plan lifts the limit: the smallest such plan and the pricing page. properties: plan: type: string label: type: string url: type: string format: uri securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: obs_pub_ description: >- An organization API key (obs_pub_…) sent as `Authorization: Bearer `. Each key carries scopes; an endpoint lists the scope it needs. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.