SmallStep Certificates API
Query certificates and their statuses issued by authorities
SmallStep Certificates API is one of 6 APIs that SmallStep publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Certificates. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 4 operations across 4 paths, and defines 7 schemas. It is described by OpenAPI 3.2.0, at version 2025-01-01.
Requests are made against a single base URL, https://gateway.smallstep.com/api.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 2
SmallStep Certificates API declares
2 security schemes
for authenticating requests.
It accepts HTTP bearer tokens (JWT).
It requires mutual TLS (mtls).
By default, every request must be authenticated.
mtls— Use a client certificate issued by a trusted root to get short-lived bearer tokens with the step CLI.
Paths & Operations 4
Across 4 paths, the API surfaces 4 operations — 3 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.
Query certificates and their statuses issued by authorities
Schemas 7
The contract defines 7 schemas that model the data the API accepts and returns. The most detailed are x509Certificate (22 properties), subject (11 properties), nameConstraints (9 properties), revocation (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from SmallStep 5
Other APIs SmallStep publishes across the network.
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