Yubico Validation API
Yubico OTP validation operations.
Yubico Validation API is published by Yubico on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Validation. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.
This API exposes 1 operation across 1 path, and defines 2 schemas. It is described by OpenAPI 3.2.0, at version 2.0.
Requests are made against a single base URL, https://api.yubico.com/wsapi/2.0.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Yubico Validation API declares
1 security scheme
for authenticating requests.
An API key is passed in the query as id (clientSignature).
By default, every request must be authenticated.
clientSignature— Numeric Client ID plus an HMAC-SHA1 signature (h) computed over the request parameters with the shared secret issued alongside the Client ID.
Paths & Operations 1
Across 1 path, the API surfaces 1 operation — 1 GET. Each is listed below with its method, path, parameters, and response codes.
Yubico OTP validation operations.
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed is ValidationResponse (9 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
This is an independent, third-party profile of Yubico Validation API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
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