curl -X POST "https://base.sepolia.api.4mica.xyz/core/guarantees" \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "claims": {
      "version": 1,
      "user_address": "0x1111111111111111111111111111111111111111",
      "recipient_address": "0x2222222222222222222222222222222222222222",
      "req_id": "0x1",
      "amount": "0x186a0",
      "asset_address": "0x3333333333333333333333333333333333333333",
      "timestamp": 1782122400
    },
    "signature": "0xUserSignature",
    "scheme": "eip712"
  }'

const response = await fetch(
  "https://base.sepolia.api.4mica.xyz/core/guarantees",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.ACCESS_TOKEN}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({ claims, signature, scheme: "eip712" }),
  },
);
console.log(await response.json());

import axios from "axios";
const { data } = await axios.post(
  "https://base.sepolia.api.4mica.xyz/core/guarantees",
  { claims, signature, scheme: "eip712" },
  { headers: { Authorization: `Bearer ${process.env.ACCESS_TOKEN}` } },
);
console.log(data);

import os
import requests
body = {"claims": claims, "signature": signature, "scheme": "eip712"}
headers = {"Authorization": f"Bearer {os.environ['ACCESS_TOKEN']}"}
url = "https://base.sepolia.api.4mica.xyz/core/guarantees"
print(requests.post(url, json=body, headers=headers).json())

package main
import ("bytes"; "encoding/json"; "fmt"; "io"; "net/http"; "os")
func main() {
  body, _ := json.Marshal(map[string]any{
    "claims": claims, "signature": signature, "scheme": "eip712",
  })
  request, _ := http.NewRequest(
    "POST",
    "https://base.sepolia.api.4mica.xyz/core/guarantees",
    bytes.NewReader(body),
  )
  request.Header.Set("Authorization", "Bearer "+os.Getenv("ACCESS_TOKEN"))
  request.Header.Set("Content-Type", "application/json")
  response, _ := http.DefaultClient.Do(request)
  defer response.Body.Close()
  result, _ := io.ReadAll(response.Body)
  fmt.Println(string(result))
}

{
  "claims": "0xEncodedCertificateClaims",
  "signature": "0xBlsSignature"
}

{ "error": "Invalid signed guarantee request" }

{ "error": "Missing or invalid access token" }

{ "error": "Token is not authorized to issue this guarantee" }

{ "error": "Guarantee identity has already been used" }