igrantio-api-verifierlisted
Install: claude install-skill L3-iGrant/skills
# iGrant.io OpenID4VC API - Verifier
## When to use
Use this skill when your organisation asks a holder for credentials. It covers
the 18 operations of the **Verifier** group: the verifier global configuration,
presentation definitions, transaction data templates, the V3 verification
request, the verification history, the Digital Credentials API response, and
revalidation.
Use it when you must:
- write a DCQL query and store it as a presentation definition;
- send an Authorization Request and get the `openid4vp://` URI and the
correlation id;
- read the disclosed claims and the `verified` result;
- take a Digital Credentials API response from the browser;
- check a finished exchange again after a revocation.
For the wallet side of a presentation, read `igrantio-api-holder`. For issuance,
read `igrantio-api-issuer`.
## Prerequisites
- An **iGrant.io Organisation Wallet Suite (OWS) API key**. Get it from
[support@igrant.io](mailto:support@igrant.io). Keep it on the server, in
an environment variable or a secret manager. The browser never sees it.
- The **OWS environment** the key belongs to. The default is **demo**
(`https://demo-api.igrant.io`). Use **staging**
(`https://staging-api.igrant.io`) only when the integrator asks for it.
A key works only in its own environment.
## Ask the integrator first
Ask one question at a time. Wait for the answer. Give the recommended
default with each question. Look up facts in the project (framework,
environment variables, a