curl --request POST \
  --url https://api.example.com/dict-hub/v1/entries \
  --header 'Authorization: Bearer demo-access-token' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: pix-demo-20260903-000001' \
  --header 'X-Account-Id: 019606a1-3b4c-7d8e-9f01-234567890abc' \
  --header 'X-Reason: USER_REQUESTED' \
  --data '{
  "keyType": "CPF",
  "keyValue": "52998224725",
  "metadata": {
    "source": "mobile"
  }
}'

import requests

url = "https://api.example.com/dict-hub/v1/entries"

payload = {
    "keyType": "CPF",
    "keyValue": "52998224725",
    "metadata": { "source": "mobile" }
}
headers = {
    "Idempotency-Key": "<idempotency-key>",
    "X-Account-Id": "<x-account-id>",
    "X-Reason": "<x-reason>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    'X-Account-Id': '<x-account-id>',
    'X-Reason': '<x-reason>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({keyType: 'CPF', keyValue: '52998224725', metadata: {source: 'mobile'}})
};

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

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/dict-hub/v1/entries",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'keyType' => 'CPF',
    'keyValue' => '52998224725',
    'metadata' => [
        'source' => 'mobile'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Idempotency-Key: <idempotency-key>",
    "X-Account-Id: <x-account-id>",
    "X-Reason: <x-reason>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.example.com/dict-hub/v1/entries"

	payload := strings.NewReader("{\n  \"keyType\": \"CPF\",\n  \"keyValue\": \"52998224725\",\n  \"metadata\": {\n    \"source\": \"mobile\"\n  }\n}")

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

	req.Header.Add("Idempotency-Key", "<idempotency-key>")
	req.Header.Add("X-Account-Id", "<x-account-id>")
	req.Header.Add("X-Reason", "<x-reason>")
	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))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/dict-hub/v1/entries")
  .header("Idempotency-Key", "<idempotency-key>")
  .header("X-Account-Id", "<x-account-id>")
  .header("X-Reason", "<x-reason>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"keyType\": \"CPF\",\n  \"keyValue\": \"52998224725\",\n  \"metadata\": {\n    \"source\": \"mobile\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/dict-hub/v1/entries")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Idempotency-Key"] = '<idempotency-key>'
request["X-Account-Id"] = '<x-account-id>'
request["X-Reason"] = '<x-reason>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"keyType\": \"CPF\",\n  \"keyValue\": \"52998224725\",\n  \"metadata\": {\n    \"source\": \"mobile\"\n  }\n}"

response = http.request(request)
puts response.read_body

{
  "account": {
    "branch": "0001",
    "number": "0007654321",
    "openingDate": "2010-01-10T03:00:00Z",
    "participant": "12345678",
    "type": "CACC"
  },
  "createdAt": "2019-11-18T03:00:00Z",
  "holderId": "019606e5-7f80-9102-3d45-678901234ef0",
  "id": "019606c3-5d6e-7f80-1b23-456789012cde",
  "keyCreationDate": "2019-11-18T03:00:00Z",
  "keyOwnershipDate": "2019-11-18T03:00:00Z",
  "keyType": "CPF",
  "keyValue": "52998224725",
  "metadata": {
    "field": "field-example"
  },
  "organizationId": "019606d4-6e7f-8091-2c34-567890123def",
  "owner": {
    "document": "52998224725",
    "name": "João Silva",
    "personType": "NATURAL",
    "tradeName": "Silva ME"
  },
  "requestId": "a946d533-7f22-42a5-9a9b-e87cd55c0f4d",
  "status": "ACTIVE",
  "updatedAt": "2019-11-18T03:00:00Z"
}

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

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

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

{
  "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"
  }
}