# Cape Partners Exchange API

**Canonical:** https://apis.io/apis/capepartners-fr/capepartners-fr-exchange-api/  
**Provider:** Cape Partners — https://apis.io/providers/capepartners-fr/  
**Base URL:** https://sniffer.capepartners.fr  
**Documentation:** https://www.capepartners.fr/

Cape Partners Exchange API is one of 16 APIs that [Cape Partners](https://apis.io/providers/capepartners-fr/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Exchange. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

The Exchange API from Cape Partners — 11 operation(s) for exchange.

## Operations (11)

| Method | Path | Summary |
|---|---|---|
| GET | `/.well-known/agent-card.json` | Agent Card in the A2A v1.0 shape, served at the standard well-known URI (RFC… |
| POST | `/a2a` | A2A protocol v1.0 — the JSON-RPC 2.0 binding (one endpoint, operation names as… |
| POST | `/a2a/message:send` | A2A protocol v1.0 — HTTP+JSON binding for SendMessage. |
| GET | `/a2a/tasks` | A2A protocol v1.0 — HTTP+JSON binding for ListTasks. |
| GET | `/a2a/tasks/{id}` | A2A protocol v1.0 — HTTP+JSON binding for GetTask. |
| GET | `/api/exchange/spec` | Machine-readable form of the agent-exchange spec: how to publish a manifest… |
| POST | `/api/exchange/manifest` | Publish an agent manifest. |
| GET | `/api/exchange/answer/{msgid}` | Fetch your exchange thread and any answer, keyed by the msgid from your… |
| POST | `/api/exchange/reply` | Answer in-thread using the same key you read with (your msgid or answer_key). |
| GET | `/engage/{token}/thread` | Exchange return leg: read what the internal side wrote to the participant a… |
| POST | `/engage/{token}/reply` | Exchange return leg: answer in-thread on a participant-bound token. |

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/capepartners-fr/refs/heads/main/openapi/capepartners-fr-exchange-api-openapi.yml
- **APIReference** — https://www.capepartners.fr/api
- **Documentation** — https://www.capepartners.fr/llms.txt
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/capepartners-fr/refs/heads/main/errors/capepartners-fr-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/capepartners-fr/refs/heads/main/data-model/capepartners-fr-data-model.yml

## Other Cape Partners APIs (12)

- [Cape Partners Agent Exchange (A2A)](https://apis.io/apis/capepartners-fr/cape-partners-agent-exchange-a2a/)
- [Cape Partners Activity API](https://apis.io/apis/capepartners-fr/capepartners-fr-activity-api/)
- [Cape Partners Confidentiality API](https://apis.io/apis/capepartners-fr/capepartners-fr-confidentiality-api/)
- [Cape Partners Data Quality API](https://apis.io/apis/capepartners-fr/capepartners-fr-dataquality-api/)
- [Cape Partners Deal Flow API](https://apis.io/apis/capepartners-fr/capepartners-fr-dealflow-api/)
- [Cape Partners Discovery API](https://apis.io/apis/capepartners-fr/capepartners-fr-discovery-api/)
- [Cape Partners Identity API](https://apis.io/apis/capepartners-fr/capepartners-fr-identity-api/)
- [Cape Partners Info Memos API](https://apis.io/apis/capepartners-fr/capepartners-fr-infomemos-api/)
- [Cape Partners Interest API](https://apis.io/apis/capepartners-fr/capepartners-fr-interest-api/)
- [Cape Partners Mandate API](https://apis.io/apis/capepartners-fr/capepartners-fr-mandate-api/)
- [Cape Partners Matching API](https://apis.io/apis/capepartners-fr/capepartners-fr-matching-api/)
- [Cape Partners Pairings API](https://apis.io/apis/capepartners-fr/capepartners-fr-pairings-api/)

## Tags

Exchange

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