MolTrust

MolTrust Credential Issuance API

Generic VC issuance + verify

Documentation GitHub OpenAPI

Business capability

Identity & Access Management BC-620.20

Operations 2

POST /api/credential/issue Issue a generic W3C Verifiable Credential (paid) #

POST /api/credential/verify Verify a W3C VC + AAE delegation chain (free) #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: MoltGuard Credential Issuance API
  version: 1.5.0
  description: 'Trust & Integrity Service for the x402 Agent Economy. Sub-API of MolTrust Trust Registry (api.moltrust.ch). See also: https://api.moltrust.ch/openapi.json (parent service).'
  contact:
    name: CryptoKRI GmbH
    url: https://moltrust.ch
  license:
    name: Apache-2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
- url: https://api.moltrust.ch/guard
  description: Production
security: []
tags:
- name: credential-issuance
  description: Generic VC issuance + verify
paths:
  /api/credential/issue:
    post:
      tags:
      - credential-issuance
      summary: Issue a generic W3C Verifiable Credential (paid)
      operationId: issueCredential
      security:
      - x402: []
      x-moltrust-pricing:
        amount: '0.10'
        currency: USDC
        chain: eip155:8453
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/VCIssueRequestBase'
      responses:
        '200':
          description: Issued VC
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CredentialIssueResult'
        '402':
          description: x402 payment required
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentRequired'
  /api/credential/verify:
    post:
      tags:
      - credential-issuance
      summary: Verify a W3C VC + AAE delegation chain (free)
      operationId: verifyCredential
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
              description: VC to verify (full credentialSubject + proof)
      responses:
        '200':
          description: Verification result
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CredentialVerifyResult'
components:
  schemas:
    PaymentRequired:
      type: object
      description: x402 v2 challenge body. Returned with HTTP 402 when X-PAYMENT header is missing or invalid.
      properties:
        x402:
          type: object
          properties:
            version:
              type: integer
              example: 2
            accepts:
              type: array
              items:
                type: object
                properties:
                  scheme:
                    type: string
                    example: exact
                  network:
                    type: string
                    example: base
                  maxAmountRequired:
                    type: object
                    properties:
                      asset:
                        type: string
                        example: USDC
                      amount:
                        type: string
                        description: USDC base units (6 decimals)
                  payTo:
                    type: string
    CredentialVerifyResult:
      type: object
      description: W3C VC + AAE delegation chain verification result.
      properties:
        verified:
          type: boolean
        credential:
          type:
          - object
          - 'null'
          additionalProperties: true
        aae:
          type: object
          description: AAE evaluation, if envelope present
          additionalProperties: true
        errors:
          type: array
          items:
            type: string
    CredentialIssueResult:
      type: object
      description: Generic VC issuance result. Specific VC type returned per request body.
      additionalProperties: true
    VCIssueRequestBase:
      type: object
      description: Base body for a VC issuance request. Specific VC types extend with type-specific fields.
      additionalProperties: true
  securitySchemes:
    x402:
      type: apiKey
      in: header
      name: X-PAYMENT
      description: 'x402 v2 payment receipt header. Format: "x402 <base64-encoded-receipt>". See https://x402.org/writing/x402-v2-launch.'