curl --request GET \
  --url https://api.example.com/v1/contracts \
  --header 'Authorization: Bearer <token>'

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/contracts"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.example.com/v1/contracts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/v1/contracts"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

{
  "items": [
    {
      "producer": "checkout-api",
      "namespace": "acme.checkout",
      "type": "checkout.order_placed",
      "schemaVersion": "1.0.0",
      "status": "ACTIVE",
      "hash": "sha256:eb6a1bb7bc5d2d9315dd133af563678ec0dab58488b23fcb0179ee54ea43c34c",
      "team": "checkout-squad",
      "createdAt": "2026-10-19T12:00:00Z",
      "referenceTypes": [
        "acme.order_id",
        "acme.customer_document"
      ]
    },
    {
      "producer": "payments-api",
      "namespace": "acme.payments",
      "type": "payments.payment_settled",
      "schemaVersion": "1.0.0",
      "status": "ACTIVE",
      "hash": "sha256:52d037060d5031b8435ff5b4cc76fc2ddf0314cee12ebc17ddb24c4227456125",
      "team": "payments-squad",
      "createdAt": "2026-10-19T12:00:00Z",
      "referenceTypes": [
        "acme.payment_id",
        "acme.order_id"
      ]
    }
  ],
  "limit": 50
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "0199c1f07a3e7b219d443c1f8e2a9b01",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "0199c1f07a3e7b219d443c1f8e2a9b01",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "SF-0092",
  "detail": "Fix the members listed in errors[] so the request matches the schema of the operation.",
  "errors": [
    {
      "location": "query.cursor",
      "message": "invalid catalog cursor"
    }
  ],
  "instance": "0199c1f07a3e7b219d443c1f8e2a9b01",
  "status": 422,
  "title": "Unprocessable Entity",
  "type": "https://errors.lerian.studio/v1/SF-0092"
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "0199c1f07a3e7b219d443c1f8e2a9b01",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}

{
  "code": "<string>",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "0199c1f07a3e7b219d443c1f8e2a9b01",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}