# Circle Signing API

**Canonical:** https://apis.io/apis/circle/circle-signing-api/  
**Provider:** Circle — https://apis.io/providers/circle/  
**Base URL:** https://api.circle.com/v1/w3s  
**Documentation:** https://developers.circle.com/w3s/programmable-wallets

Circle Signing API is one of 7 APIs that [Circle](https://apis.io/providers/circle/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Signing. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The Signing API from Circle — 4 operation(s) for signing.

## Machine-readable artifacts (10)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/circle/refs/heads/main/openapi/circle-signing-api-openapi.yml
- **Documentation** — https://developers.circle.com/w3s/programmable-wallets
- **Documentation** — https://developers.circle.com/w3s/user-controlled-wallets
- **Documentation** — https://developers.circle.com/cctp
- **Documentation** — https://developers.circle.com/gateway
- **Documentation** — https://developers.circle.com/w3s/smart-contract-platform
- **Documentation** — https://developers.circle.com/cpn
- **Documentation** — https://developers.circle.com/w3s/compliance-engine
- **Documentation** — https://developers.circle.com/stablefx
- **Documentation** — https://developers.circle.com/xreserve

## Other Circle APIs (6)

- [Gas Station and Paymaster](https://apis.io/apis/circle/gas-station/)
- [Circle NFTs API](https://apis.io/apis/circle/circle-nfts-api/)
- [Circle Tokens API](https://apis.io/apis/circle/circle-tokens-api/)
- [Circle Transactions API](https://apis.io/apis/circle/circle-transactions-api/)
- [Circle Wallet Sets API](https://apis.io/apis/circle/circle-wallet-sets-api/)
- [Circle Wallets API](https://apis.io/apis/circle/circle-wallets-api/)

## Tags

Signing

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