openapi: 3.1.0 info: title: Letta Admin Health API version: 1.0.0 description: REST API for Letta, the stateful agents platform. Manage agents, memory blocks, archival passages, sources, custom tools, MCP servers, multi-agent groups, runs, and streaming responses. Available as Letta Cloud (managed) at https://api.letta.com/v1 and as the self-hosted open-source server (Apache-2.0) typically run at http://localhost:8283. contact: name: Letta url: https://www.letta.com/ email: support@letta.com license: name: Apache-2.0 url: https://github.com/letta-ai/letta/blob/main/LICENSE x-logo: url: https://www.letta.com/favicon.ico servers: - url: https://api.letta.com description: Letta Cloud (managed) - url: https://app.letta.com description: Letta Cloud (app) - url: http://localhost:8283 description: Self-hosted Letta server security: - bearerAuth: [] tags: - name: Health description: Service health/readiness endpoint. paths: /v1/health/: get: tags: - Health summary: Check Health description: Liveness endpoint; returns 200 when process is responsive. operationId: check_health responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/Health' /v1/ready/: get: tags: - Health summary: Check Readiness description: Readiness endpoint gated by internal readiness state when enforcement is enabled. operationId: check_readiness responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/Health' components: schemas: Health: properties: version: type: string title: Version status: type: string title: Status type: object required: - version - status title: Health description: Health check response body securitySchemes: bearerAuth: type: http scheme: bearer