curl -X POST "https://x402.4mica.xyz/settle" \
  -H "Content-Type: application/json" \
  -d '{
    "x402Version": 1,
    "paymentPayload": {
      "x402Version": 1,
      "scheme": "4mica-credit",
      "network": "eip155:84532",
      "payload": {
        "claims": {
          "user_address": "0x1111111111111111111111111111111111111111",
          "recipient_address": "0x2222222222222222222222222222222222222222",
          "req_id": "0x1",
          "amount": "0x186a0",
          "asset_address": "0x3333333333333333333333333333333333333333",
          "timestamp": 1782122400,
          "version": 1
        },
        "signature": "0xSignedPayment",
        "scheme": "eip712"
      }
    },
    "paymentRequirements": {
      "scheme": "4mica-credit",
      "network": "eip155:84532",
      "maxAmountRequired": "100000",
      "payTo": "0x2222222222222222222222222222222222222222",
      "asset": "0x3333333333333333333333333333333333333333"
    }
  }'

const body = { x402Version: 1, paymentPayload, paymentRequirements };
const response = await fetch("https://x402.4mica.xyz/settle", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify(body),
});
console.log(await response.json());

import axios from "axios";
const body = { x402Version: 1, paymentPayload, paymentRequirements };
const { data } = await axios.post("https://x402.4mica.xyz/settle", body);
console.log(data);

import requests
body = {
    "x402Version": 1,
    "paymentPayload": payment_payload,
    "paymentRequirements": payment_requirements,
}
print(requests.post("https://x402.4mica.xyz/settle", json=body).json())

package main
import ("bytes"; "encoding/json"; "fmt"; "io"; "net/http")
func main() {
  body, _ := json.Marshal(map[string]any{
    "x402Version": 1,
    "paymentPayload": paymentPayload,
    "paymentRequirements": paymentRequirements,
  })
  response, _ := http.Post("https://x402.4mica.xyz/settle", "application/json", bytes.NewReader(body))
  defer response.Body.Close()
  result, _ := io.ReadAll(response.Body)
  fmt.Println(string(result))
}

{
  "success": true,
  "error": null,
  "txHash": null,
  "networkId": "eip155:84532",
  "certificate": {
    "claims": "0xEncodedCertificateClaims",
    "signature": "0xBlsSignature"
  }
}

{ "success": false, "error": "Invalid payment payload", "certificate": null }

{ "success": false, "error": "Unable to issue payment guarantee", "certificate": null }