Verify an ACS voucher offline-equivalent

Requires merchant scope vouchers:introspect. Verifies the voucher JWT signature against the platform JWKS, the merchant and offer binding, and reports whether the backing hold is still active.

POST/v1/vouchers/introspect

Authorization

AuthorizationBearer token · headerrequired

Scoped merchant API key (asm_...) issued via POST /v1/merchants/{id}/api-keys. Path/scope-restricted; cannot access human or agent routes.

Request body

requiredapplication/json

voucherstringrequired

offerIdstringrequired

Responses

200

Voucher claims and activity

activeboolean

claimsobject

400

invalid_input problem

typestringrequired

titlestringrequired

statusintegerrequired

codestringrequired

401

unauthorized problem; live 401s advertise WWW-Authenticate: Bearer resource_metadata=...

typestringrequired

titlestringrequired

statusintegerrequired

codestringrequired

403

Identity, ownership, scope or policy denied (human_required, owner_claim_required, scope_required, FROZEN, CAP_EXCEEDED, SCOPE_FORBIDDEN)

typestringrequired

titlestringrequired

statusintegerrequired

codestringrequired

503

Runtime or provider configuration unavailable (runtime_configuration_required, signing_configuration_required, runtime_unavailable, workspace_unavailable, provider_configuration_required)

typestringrequired

titlestringrequired

statusintegerrequired

codestringrequired

Request

curl -X POST 'https://api.agentsub.dev/v1/vouchers/introspect' \
  -H 'Authorization: Bearer YOUR_TOKEN' \
  -H 'Accept: application/json' \
  -H 'Content-Type: application/json' \
  -d '{
  "voucher": "string",
  "offerId": "string"
}'

const response = await fetch("https://api.agentsub.dev/v1/vouchers/introspect", {
  method: "POST",
  headers: {
    "Authorization": "Bearer YOUR_TOKEN",
    "Accept": "application/json",
    "Content-Type": "application/json"
  },
  body: "{\n  \"voucher\": \"string\",\n  \"offerId\": \"string\"\n}"
});

import requests

response = requests.post(
    "https://api.agentsub.dev/v1/vouchers/introspect",
    headers={
        "Authorization": "Bearer YOUR_TOKEN",
        "Accept": "application/json",
        "Content-Type": "application/json"
    },
    data="{\n  \"voucher\": \"string\",\n  \"offerId\": \"string\"\n}",
)

Response

{
  "active": true,
  "claims": {}
}

{
  "type": "https://agentsub.dev/problems/not_found",
  "title": "string",
  "status": 0,
  "code": "string"
}

{
  "type": "https://agentsub.dev/problems/not_found",
  "title": "string",
  "status": 0,
  "code": "string"
}

{
  "type": "https://agentsub.dev/problems/not_found",
  "title": "string",
  "status": 0,
  "code": "string"
}

{
  "type": "https://agentsub.dev/problems/not_found",
  "title": "string",
  "status": 0,
  "code": "string"
}