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Pre-authorized Code flow

API Reference

Create Credential Offer

POST/v1/openid/offers/pre-authorized

Authorization

bearerAuthOpenIdCredentials
AuthorizationBearer <token>

In: header

Request Body

application/json

credentials*array<string>

This array includes a list of identifiers for mDocs credential configurations that will be included in the credential offer. These identifiers are the id elements returned in the response when you create a credential configuration. Providing the identifier of a non-mDocs credential configuration will result in an error.

userId?string

Unique system generated identifier to reference the user for this offer. This can be obtained by searching for a user. If not provided, a new user entity will be created.

transactionCodeConfiguration?

Configure whether a second-factor transaction code is required for this offer. If a configuration is provided, a code will be generated for the offer, and the end user must submit it during credential retrieval.

claims?object

Additional user claims that are available during credential issuance for this offer.

claimsToPersist?array<string>

List of claims to persist from the provided claims to MATTR VII. By default no claim values are persisted.

expiresIn?

Specifies when the offer will expire. Once the offer expires, the user can no longer use it to claim a credential, and a new offer must be generated. The expiration period can include any combination of minutes and seconds. By default, the offer expires in 5 minutes, and the maximum allowed duration is 10 minutes.

Response Body

application/json

curl -X POST "https://example.vii.au01.mattr.global/v1/openid/offers/pre-authorized" \  -H "Content-Type: application/json" \  -d '{    "credentials": [      "707e920a-f342-443b-ae24-6946b7b5033e"    ]  }'
{
  "id": "string",
  "userId": "string",
  "uri": "openid-credential-offer://?credential_offer=%7B%22credential_issuer%22%3A%22https%3A%2F%2Fexample.com%22%2C%22credentials%22%3A%5B%222edaf985-fcc2-4448-9c8e-a04c6c7351c2%22%5D%2C%22grants%22%3A%7B%22urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Apre-authorized_code%22%3A%7B%22pre-authorized_code%22%3A%22stukD6lg9c9tQ3jUCa32wVi1HI%2BQIVsFK%2FQPvC2CHRs%3D%22%2C%22tx_code%22%3A%7B%22length%22%3A6%2C%22input_mode%22%3A%22numeric%22%2C%22description%22%3A%22Please%20provide%20the%20one-time%20code%20that%20was%20sent%20via%20e-mail%22%7D%7D%7D%7D",
  "expiresAt": "2025-05-01T00:01:00.000Z",
  "transactionCode": 493536
}

Delete Credential Offer

DELETE/v1/openid/offers/pre-authorized/{id}

Authorization

bearerAuthOpenIdCredentials
AuthorizationBearer <token>

In: header

Path Parameters

id*string

Pre-authorized credential offer ID

Formatuuid

Response Body

application/json

application/json

curl -X DELETE "https://example.vii.au01.mattr.global/v1/openid/offers/pre-authorized/8241400f-de3b-42c5-ad7c-8a380039e796"
Empty
{
  "code": "string",
  "message": "string",
  "details": [
    {
      "value": "string",
      "msg": "Invalid value",
      "param": "id",
      "location": "body"
    }
  ]
}
{
  "code": "string",
  "message": "string",
  "details": [
    {
      "value": "string",
      "msg": "Invalid value",
      "param": "id",
      "location": "body"
    }
  ]
}

Issue a verifiable credential

POST/v1/openid/credential
AuthorizationBearer <token>

In: header

format*string

Credential format, always ldp_vc for JSON credentials.

Value in"ldp_vc"
credential_definition*
proof?

JSON object containing proof of possession of the key material the issued Credential shall be bound to.

credential_response_encryption?

JSON object containing details for encrypting the issued credential in the response.

Response Body

curl -X POST "https://example.vii.au01.mattr.global/v1/openid/credential" \  -H "Content-Type: application/json" \  -d '{    "format": "ldp_vc",    "credential_definition": {      "type": [        "VerifiableCredential",        "AlumniCredential"      ],      "@context": [        "https://www.w3.org/2018/credentials/v1"      ]    },    "proof": {      "proof_type": "jwt",      "jwt": "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9..."    }  }'

{
  "credential": {
    "@context": [
      "https://www.w3.org/2018/credentials/v1"
    ],
    "id": "http://example.edu/credentials/3732",
    "type": [
      "VerifiableCredential",
      "AlumniCredential"
    ],
    "issuer": "https://example.edu/issuers/14",
    "issuanceDate": "2020-03-10T04:24:12.164Z",
    "credentialSubject": {
      "id": "did:example:123",
      "alumniOf": "Example University"
    },
    "proof": {
      "type": "RsaSignature2018",
      "created": "2020-03-10T04:24:12Z",
      "proofPurpose": "assertionMethod",
      "verificationMethod": "https://example.edu/issuers/keys/1",
      "jws": "EXAMPLE_JWS_TOKEN_eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9aH0..."
    }
  },
  "format": "ldp_vc"
}

Retrieve issuer metadata

GET/.well-known/openid-credential-issuer

Response Body

application/json

fetch("https://example.vii.au01.mattr.global/.well-known/openid-credential-issuer", {  method: "GET"})
{
  "issuer": "http://example.com",
  "authorization_endpoint": "http://example.com",
  "jwks_uri": "http://example.com",
  "token_endpoint": "http://example.com",
  "scopes_supported": [
    "ldp_vc:ExampleCredential"
  ],
  "response_types_supported": [
    "code"
  ],
  "response_modes_supported": [
    "query"
  ],
  "grant_types_supported": [
    "authorization_code"
  ],
  "code_challenge_methods_supported": [
    "S256"
  ],
  "credential_issuer": "http://example.com",
  "credential_endpoint": "http://example.com",
  "credentials_supported": [
    {
      "format": "string",
      "id": "string",
      "scope": "string",
      "@context": [
        "string"
      ],
      "type": [
        "string"
      ],
      "credentialSubject": {},
      "cryptographic_binding_methods_supported": "string",
      "cryptographic_suites_supported": "string"
    }
  ],
  "mdoc_iacas_uri": "http://example.com",
  "credential_response_encryption": {
    "alg_values_supported": [
      "HPKE-7"
    ],
    "enc_values_supported": [
      "A256GCM"
    ],
    "encryption_required": false
  },
  "credential_request_encryption": {
    "jwks": {
      "keys": [
        {
          "kty": "EC",
          "kid": "kid",
          "use": "enc",
          "crv": "P-256",
          "alg": "HPKE-7",
          "x": "YO4epjifD-KWeq1sL2tNmm36BhXnkJ0He-WqMYrp9Fk",
          "y": "Hekpm0zfK7C-YccH5iBjcIXgf6YdUvNUac_0At55Okk"
        }
      ]
    },
    "enc_values_supported": [
      "A256GCM"
    ],
    "encryption_required": false
  }
}

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