Instant Cert — LEGACY TASTE ONLY Exact $0

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xC8d524703f1751b565a220087D1d4c44a413C1D7",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "agent_id": "0xYourAgentOrWallet",
          "schema_ddl": "CREATE TABLE users (id int primary key, email text not null);",
          "sql": "INSERT INTO users (id, email) VALUES (1, '[email protected]');"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "billing": "instant",
          "certificate": {
            "status": "PASS"
          },
          "ok": true,
          "price": "$0.05",
          "product": "instant_cert",
          "signature": "<ed25519>"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "agent_id": {
                  "description": "Stable agent or wallet id on the certificate receipt",
                  "type": "string"
                },
                "schema_ddl": {
                  "description": "Current production schema snapshot (CREATE TABLE …) for sandbox validate",
                  "type": "string"
                },
                "sql": {
                  "description": "Exact mutating SQL the agent intends to run after PASS verify",
                  "type": "string"
                }
              },
              "required": [
                "schema_ddl",
                "sql",
                "agent_id"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "certificate": {
                  "type": "object"
                },
                "ok": {
                  "type": "boolean"
                },
                "product": {
                  "type": "string"
                },
                "signature": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://sqlguard.io/v1/cert"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://sqlguard.io/v1/cert");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://sqlguard.io/v1/cert")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header