curl --request POST \
  --url https://test-api.shodai.network/v0/agreements/validate \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "agreement": {
    "metadata": {
      "templateId": "did:template:service-retainer-v0-1",
      "name": "Service Retainer"
    },
    "variables": {
      "serviceProviderRepresentative": {
        "type": "address",
        "subtype": "participant",
        "validation": {
          "required": true
        }
      },
      "clientRepresentative": {
        "type": "address",
        "subtype": "participant",
        "validation": {
          "required": true
        }
      },
      "retainerTitle": {
        "type": "string",
        "validation": {
          "required": true
        }
      }
    },
    "content": {
      "type": "md",
      "data": "# ${variables.retainerTitle}\n\nService agreement between provider and client."
    },
    "execution": {
      "initialize": {
        "initialState": "AWAITING_PAYMENT",
        "data": {}
      },
      "states": {
        "AWAITING_PAYMENT": {
          "description": "Waiting for initial payment proof."
        },
        "WORK_IN_PROGRESS": {
          "description": "Provider is performing the service."
        }
      },
      "inputs": {
        "submitInitialPaymentProof": {
          "issuer": {
            "type": "participant",
            "variable": "clientRepresentative"
          },
          "schema": {
            "paymentReference": {
              "type": "string",
              "validation": {
                "required": true
              }
            }
          }
        }
      },
      "transitions": [
        {
          "from": "AWAITING_PAYMENT",
          "to": "WORK_IN_PROGRESS",
          "conditions": [
            {
              "input": "submitInitialPaymentProof"
            }
          ]
        }
      ]
    }
  }
}
'

{
  "templateId": "did:template:service-retainer-v0-1",
  "participantVariableKeys": [
    "serviceProviderRepresentative",
    "clientRepresentative"
  ],
  "participants": [
    {
      "variableKey": "serviceProviderRepresentative",
      "walletAddress": "0x1111111111111111111111111111111111111111"
    },
    {
      "variableKey": "clientRepresentative",
      "walletAddress": "0x2222222222222222222222222222222222222222",
      "email": "client@example.com"
    }
  ],
  "observers": [
    "legal@example.com"
  ],
  "variables": {
    "serviceProviderRepresentative": "0x1111111111111111111111111111111111111111",
    "clientRepresentative": "0x2222222222222222222222222222222222222222",
    "retainerTitle": "Advisory Retainer"
  },
  "contributors": [
    "0x1111111111111111111111111111111111111111",
    "0x2222222222222222222222222222222222222222"
  ],
  "warnings": []
}