curl --request PATCH \
  --url https://api.example.com/cob-hub/v1/collections/duedate/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Account-Id: <x-account-id>' \
  --header 'X-Idempotency: <x-idempotency>' \
  --data '
{
  "fine": {
    "modality": "FIXED_VALUE",
    "value": "10.00"
  }
}
'

package main

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

func main() {

	url := "https://api.example.com/cob-hub/v1/collections/duedate/{id}"

	payload := strings.NewReader("{\n  \"fine\": {\n    \"modality\": \"FIXED_VALUE\",\n    \"value\": \"10.00\"\n  }\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("X-Idempotency", "<x-idempotency>")
	req.Header.Add("X-Account-Id", "<x-account-id>")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

const options = {
  method: 'PATCH',
  headers: {
    'X-Idempotency': '<x-idempotency>',
    'X-Account-Id': '<x-account-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({fine: {modality: 'FIXED_VALUE', value: '10.00'}})
};

fetch('https://api.example.com/cob-hub/v1/collections/duedate/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/cob-hub/v1/collections/duedate/{id}"

payload = { "fine": {
        "modality": "FIXED_VALUE",
        "value": "10.00"
    } }
headers = {
    "X-Idempotency": "<x-idempotency>",
    "X-Account-Id": "<x-account-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

{
  "accountId": "0196a7b2-3e5f-7061-ac12-34567890abcd",
  "amount": "150.75",
  "calendar": {
    "dueDate": "2026-09-01",
    "validityAfterDue": 30
  },
  "createdAt": "2026-08-02T10:30:00Z",
  "currency": "BRL",
  "debtor": {
    "document": "12345678909",
    "name": "Maria Souza"
  },
  "emvPayload": "00020126360014br.gov.bcb.pix2562https://pix.example.com/qr/v2/cobv-abc1235204000053039865802BR5910Loja Exemplo6009Sao Paulo62070503***63041D3F",
  "expiresAt": "2026-10-01T00:00:00Z",
  "externalId": "0196a7b2-4f60-7172-bd23-4567890abcde",
  "id": "0196a7b2-1c3d-7e4f-8a90-1234567890ab",
  "isExpired": false,
  "keyType": "EMAIL",
  "keyValue": "loja@example.com",
  "locationUrl": "https://pix.example.com/qr/v2/cobv-abc123",
  "merchantCity": "Sao Paulo",
  "merchantDocument": "39053344705",
  "merchantName": "Loja Exemplo",
  "organizationId": "0196a7b2-2d4e-7f50-9b01-234567890abc",
  "status": "ACTIVE",
  "txId": "TX1234567890123456789012345",
  "type": "DUE_DATE",
  "updatedAt": "2026-08-02T10:30:00Z"
}

{
  "code": "PIX-0030",
  "title": "Idempotency Key Required",
  "message": "The X-Idempotency header is required for this operation and must be within the accepted length."
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0240",
  "title": "Not Found",
  "status": 404,
  "detail": "No collection found for the given identifiers.",
  "code": "PIX-0240"
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0226",
  "title": "Conflict",
  "status": 409,
  "detail": "The collection is in a conflicting state at the provider.",
  "code": "PIX-0226"
}

{
  "code": "PIX-0031",
  "title": "Idempotency Key Conflict",
  "message": "The X-Idempotency header was already used with a different request."
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0016",
  "title": "Unsupported Media Type",
  "status": 415,
  "detail": "The request body must be sent with Content-Type: application/json.",
  "code": "PIX-0016"
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0241",
  "title": "Unprocessable Entity",
  "status": 422,
  "detail": "Collection is in a terminal state (already CANCELLED or COMPLETED) and cannot transition.",
  "code": "PIX-0241"
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0000",
  "title": "Internal Server Error",
  "status": 500,
  "detail": "The server encountered an unexpected error. Please try again later.",
  "code": "PIX-0000"
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0223",
  "title": "Bad Gateway",
  "status": 502,
  "detail": "Provider adapter is unreachable.",
  "code": "PIX-0223"
}

{
  "code": "PIX-0032",
  "title": "Idempotency Unavailable",
  "message": "The request was not processed because the idempotency store is unavailable. Please retry."
}

{
  "type": "https://errors.lerian.studio/v1/PIX-0054",
  "title": "Gateway Timeout",
  "status": 504,
  "detail": "The request timed out. Please try again later.",
  "code": "PIX-0054"
}

{
  "code": "ERR-0001",
  "detail": "Property foo is required but is missing.",
  "errors": [
    {
      "location": "<string>",
      "message": "<string>",
      "value": "<unknown>"
    }
  ],
  "instance": "https://example.com/error-log/abc123",
  "status": 400,
  "title": "Bad Request",
  "type": "https://example.com/errors/example",
  "upstream": {
    "code": "E4001",
    "message": "account not found at provider"
  }
}