> ## Documentation Index > Fetch the complete documentation index at: https://docs.3ngram.ai/llms.txt > Use this file to discover all available pages before exploring further. # The bookkeeping row for one run, addressed by sessionRunId: identity, lifecycle timestamps, activation_epoch, triage status and the briefed memories the run was shown. Read-only — the read never refreshes the lease or resurrects a closed row. The last assistant-message excerpt and the watermark ids are not projected. ## OpenAPI ````yaml /api-reference/openapi.json get /api/v1/agent-sessions/{sessionRunId} openapi: 3.1.0 info: description: >- The /api/v1 REST mirror of the 3ngram memory core (docs/concepts/architecture.mdx: one core, N transports). Authenticate with an X-API-Key header or a session Bearer token. title: 3ngram REST API version: v1 servers: - description: 3ngram platform url: https://api.3ngram.ai security: - apiKey: [] - sessionBearer: [] paths: /api/v1/agent-sessions/{sessionRunId}: get: summary: >- The bookkeeping row for one run, addressed by sessionRunId: identity, lifecycle timestamps, activation_epoch, triage status and the briefed memories the run was shown. Read-only — the read never refreshes the lease or resurrects a closed row. The last assistant-message excerpt and the watermark ids are not projected. operationId: getAgentSessionRun parameters: - in: path name: sessionRunId required: true schema: format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ type: string responses: '200': content: application/json: schema: additionalProperties: false properties: activationEpoch: exclusiveMinimum: 0 maximum: 9007199254740991 type: integer agent: maxLength: 64 minLength: 1 pattern: ^[a-z0-9][a-z0-9-]*$ type: string briefedMemories: items: additionalProperties: false properties: id: format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ type: string status: maxLength: 64 minLength: 1 type: string topic: maxLength: 256 minLength: 1 type: string required: - id - topic - status type: object maxItems: 100 type: array briefingDeliveredAt: anyOf: - format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string - type: 'null' closedAt: anyOf: - format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string - type: 'null' lastSeenAt: format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string openedAt: format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: string project: anyOf: - maxLength: 256 minLength: 1 type: string - type: 'null' scope: anyOf: - maxLength: 64 minLength: 1 pattern: ^[a-z0-9][a-z0-9-]*$ type: string - type: 'null' selector: oneOf: - additionalProperties: false properties: kind: const: all type: string required: - kind type: object - additionalProperties: false properties: kind: const: scope type: string scope: maxLength: 64 minLength: 1 pattern: ^[a-z0-9][a-z0-9-]*$ type: string required: - kind - scope type: object - additionalProperties: false properties: kind: const: project type: string project: maxLength: 256 minLength: 1 type: string required: - kind - project type: object - additionalProperties: false properties: includeUnscoped: default: false description: >- Also match memories in the scope written with NO project (project IS NULL). Default false: strict scope AND project intersection. type: boolean kind: const: scope_project type: string project: maxLength: 256 minLength: 1 type: string scope: maxLength: 64 minLength: 1 pattern: ^[a-z0-9][a-z0-9-]*$ type: string required: - kind - scope - project - includeUnscoped type: object sessionId: maxLength: 256 minLength: 1 type: string sessionRunId: format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ type: string source: enum: - startup - resume type: string triageStatus: enum: - idle - pending - completed - expired - overflowed type: string required: - sessionRunId - agent - sessionId - source - project - scope - selector - activationEpoch - triageStatus - openedAt - closedAt - lastSeenAt - briefingDeliveredAt - briefedMemories type: object description: Success '400': content: application/json: schema: additionalProperties: false properties: detail: maxLength: 512 type: string error: const: invalid_input type: string required: - error type: object description: Malformed run id, or a run id this tenant does not own components: securitySchemes: apiKey: in: header name: X-API-Key type: apiKey sessionBearer: scheme: bearer type: http ````