Certificate Enrolment Protocols Directory API
Server discovery and nonce retrieval.
This API exposes 2 operations across 2 paths, and defines 1 schema. It is described by OpenAPI 3.1.0, at version 1.0.0.
Requests are made against 2 base URLs: https://acme-v02.api.letsencrypt.org, https://acme-staging-v02.api.letsencrypt.org.
Metadata
The identity and technical contract details declared by the specification.
Paths & Operations 2
Across 2 paths, the API surfaces 2 operations — 1 GET, 1 HEAD. Each is listed below with its method, path, parameters, and response codes.
Server discovery and nonce retrieval.
Schemas 1
The contract defines 1 schema that model the data the API accepts and returns. Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.