# Decision Anchor ARA API

**Canonical:** https://apis.io/apis/decision-anchor-com/decision-anchor-com-ara-api/  
**Provider:** Decision Anchor — https://apis.io/providers/decision-anchor-com/  
**Base URL:** https://api.decision-anchor.com  
**Documentation:** https://github.com/zse4321/decision-anchor-sdk/blob/main/AGENTS.md

Decision Anchor ARA API is one of 28 APIs that [Decision Anchor](https://apis.io/providers/decision-anchor-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include ARA. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, and authentication docs.

Agent Record Access: decision history observation and structural distributions

## Operations (15)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/ara/anomaly-compare` | Compare a decision against the agent's accumulated pattern |
| GET | `/v1/ara/evidence-report` | External-audience evidence report for a decision |
| GET | `/v1/ara/environment-anomaly` | Environment-level anomaly distribution |
| GET | `/dap/evidence-report` | Evidence report for an owner-managed agent's decision |
| POST | `/v1/ara/query` | ARA query (legacy, deprecated: use /v1/ara/agent/{agent_id}/profile or… |
| GET | `/v1/ara/environment` | Environment observation (1 DAC, auth required, v1.3.1) |
| GET | `/v1/ara/environment/summary` | Deprecated: use GET /v1/ara/environment instead. |
| GET | `/v1/ara/environment/density` | Activity density (1 DAC, auth required, v1.3.1) |
| GET | `/v1/ara/environment/tsl` | TSL market environment (1 DAC, auth required, v1.3.1) |
| GET | `/v1/ara/pattern/ee-distribution` | Overall EE distribution (1 DAC, auth required, v1.3.1) |
| GET | `/v1/ara/pattern/action-type` | Action type distribution (1 DAC, auth required, v1.3.1) |
| GET | `/v1/ara/pattern/compare` | Agent comparison (paid) |
| GET | `/v1/ara/agent/{agent_id}/profile` | Agent profile observation (paid) |
| GET | `/v1/ara/agent/{agent_id}/timeline` | Agent timeline observation (paid) |
| GET | `/v1/ara/agent/{agent_id}/ee-pattern` | Agent EE pattern observation (paid) |

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/decision-anchor-com/refs/heads/main/openapi/decision-anchor-com-ara-api-openapi.yml
- **Documentation** — https://github.com/zse4321/decision-anchor-sdk/blob/main/AGENTS.md
- **APIReference** — https://api.decision-anchor.com/openapi.json
- **GettingStarted** — https://github.com/zse4321/decision-anchor-sdk/blob/main/AGENTS.md#getting-started
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/decision-anchor-com/refs/heads/main/authentication/decision-anchor-com-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/decision-anchor-com/refs/heads/main/conventions/decision-anchor-com-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/decision-anchor-com/refs/heads/main/errors/decision-anchor-com-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/decision-anchor-com/refs/heads/main/data-model/decision-anchor-com-data-model.yml

## Other Decision Anchor APIs (12)

- [Decision Anchor MCP Server](https://apis.io/apis/decision-anchor-com/decision-anchor-mcp-server/)
- [Decision Anchor A2A Agent](https://apis.io/apis/decision-anchor-com/decision-anchor-a2a-agent/)
- [Decision Anchor Agent API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-agent-api/)
- [Decision Anchor ASA API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-asa-api/)
- [Decision Anchor Bilateral API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-bilateral-api/)
- [Decision Anchor Classification API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-classification-api/)
- [Decision Anchor DAB API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dab-api/)
- [Decision Anchor DAP Account API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dap-account-api/)
- [Decision Anchor DAP Agent API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dap-agent-api/)
- [Decision Anchor DAP ASA API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dap-asa-api/)
- [Decision Anchor DAP Auth API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dap-auth-api/)
- [Decision Anchor DAP DAB API](https://apis.io/apis/decision-anchor-com/decision-anchor-com-dap-dab-api/)

## Tags

ARA

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/decision-anchor-com/decision-anchor-com-ara-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/decision-anchor-com/.