# Coil Access & Keys API

**Canonical:** https://apis.io/apis/coil-trade/coil-trade-access-keys-api/  
**Provider:** Coil — https://apis.io/providers/coil-trade/  
**Base URL:** https://coil.trade  
**Documentation:** https://coil.trade/docs

Coil Access & Keys API is one of 7 APIs that [Coil](https://apis.io/providers/coil-trade/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Access & Keys. The published artifact set on APIs.io includes an OpenAPI specification.

Free credentials — an instant email key, or wallet sign-in (SIWX, CAIP-122). Signatures move no funds.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/key` | FREE — instant API key, 25 live calls/day |
| GET | `/api/auth/nonce` | SIWX wallet auth, step 1 — get the message to sign |
| POST | `/api/auth/verify` | SIWX wallet auth, step 2 — verify the signature, mint a free-tier key |

## Machine-readable artifacts (2)

- **OpenAPI** — https://artifacts.apis.io/coil-trade/openapi/coil-trade-access-keys-api-openapi.yml
- **APIsJSON** — https://artifacts.apis.io/coil-trade/apis.yml

## Other Coil APIs (6)

- [Coil Change Detection API](https://apis.io/apis/coil-trade/coil-trade-change-detection-api/)
- [Coil Coil Live API](https://apis.io/apis/coil-trade/coil-trade-coil-live-api/)
- [Coil Market Data API](https://apis.io/apis/coil-trade/coil-trade-market-data-api/)
- [Coil Paid reads API](https://apis.io/apis/coil-trade/coil-trade-paid-reads-api/)
- [Coil Research API](https://apis.io/apis/coil-trade/coil-trade-research-api/)
- [Coil Verification API](https://apis.io/apis/coil-trade/coil-trade-verification-api/)

## Tags

Access & Keys

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