# Let's Encrypt Authorization API

**Canonical:** https://apis.io/apis/lets-encrypt/lets-encrypt-authorization-api/  
**Provider:** Let's Encrypt — https://apis.io/providers/lets-encrypt/  
**Base URL:** https://acme-v02.api.letsencrypt.org  
**Documentation:** https://letsencrypt.org/docs/

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

Domain control authorizations

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/lets-encrypt/refs/heads/main/openapi/lets-encrypt-authorization-api-openapi.yml
- **Documentation** — https://letsencrypt.org/docs/

## Other Let's Encrypt APIs (6)

- [Let's Encrypt Account API](https://apis.io/apis/lets-encrypt/lets-encrypt-account-api/)
- [Let's Encrypt Certificate API](https://apis.io/apis/lets-encrypt/lets-encrypt-certificate-api/)
- [Let's Encrypt Challenge API](https://apis.io/apis/lets-encrypt/lets-encrypt-challenge-api/)
- [Let's Encrypt Directory API](https://apis.io/apis/lets-encrypt/lets-encrypt-directory-api/)
- [Let's Encrypt Nonce API](https://apis.io/apis/lets-encrypt/lets-encrypt-nonce-api/)
- [Let's Encrypt Order API](https://apis.io/apis/lets-encrypt/lets-encrypt-order-api/)

## Tags

Authorization

---

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