curl --request POST \
  --url https://api.example.com/v1/merchants/{merchantId}/providers \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "Getnet SEP",
  "code": "GetnetSep",
  "priority": 1,
  "methods": [
    "Credit"
  ],
  "credentials": {
    "type": "GETNET_SEP",
    "sellerId": "2921abbe-fb28-427c-882e-2258d98b4b39",
    "clientApiKey": "da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3",
    "clientSecret": "8186a258-d2ab-4275-8349-34884f1b882e"
  },
  "acquirer": {
    "merchantId": "2921abbe-fb28-427c-882e-2258d98b4b39",
    "brands": [
      "Mastercard",
      "Visa"
    ]
  },
  "state": "Enabled"
}
'

import requests

url = "https://api.example.com/v1/merchants/{merchantId}/providers"

payload = {
    "name": "Getnet SEP",
    "code": "GetnetSep",
    "priority": 1,
    "methods": ["Credit"],
    "credentials": {
        "type": "GETNET_SEP",
        "sellerId": "2921abbe-fb28-427c-882e-2258d98b4b39",
        "clientApiKey": "da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3",
        "clientSecret": "8186a258-d2ab-4275-8349-34884f1b882e"
    },
    "acquirer": {
        "merchantId": "2921abbe-fb28-427c-882e-2258d98b4b39",
        "brands": ["Mastercard", "Visa"]
    },
    "state": "Enabled"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'Getnet SEP',
    code: 'GetnetSep',
    priority: 1,
    methods: ['Credit'],
    credentials: {
      type: 'GETNET_SEP',
      sellerId: '2921abbe-fb28-427c-882e-2258d98b4b39',
      clientApiKey: 'da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3',
      clientSecret: '8186a258-d2ab-4275-8349-34884f1b882e'
    },
    acquirer: {
      merchantId: '2921abbe-fb28-427c-882e-2258d98b4b39',
      brands: ['Mastercard', 'Visa']
    },
    state: 'Enabled'
  })
};

fetch('https://api.example.com/v1/merchants/{merchantId}/providers', 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/v1/merchants/{merchantId}/providers",
  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([
    'name' => 'Getnet SEP',
    'code' => 'GetnetSep',
    'priority' => 1,
    'methods' => [
        'Credit'
    ],
    'credentials' => [
        'type' => 'GETNET_SEP',
        'sellerId' => '2921abbe-fb28-427c-882e-2258d98b4b39',
        'clientApiKey' => 'da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3',
        'clientSecret' => '8186a258-d2ab-4275-8349-34884f1b882e'
    ],
    'acquirer' => [
        'merchantId' => '2921abbe-fb28-427c-882e-2258d98b4b39',
        'brands' => [
                'Mastercard',
                'Visa'
        ]
    ],
    'state' => 'Enabled'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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/v1/merchants/{merchantId}/providers"

	payload := strings.NewReader("{\n  \"name\": \"Getnet SEP\",\n  \"code\": \"GetnetSep\",\n  \"priority\": 1,\n  \"methods\": [\n    \"Credit\"\n  ],\n  \"credentials\": {\n    \"type\": \"GETNET_SEP\",\n    \"sellerId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"clientApiKey\": \"da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3\",\n    \"clientSecret\": \"8186a258-d2ab-4275-8349-34884f1b882e\"\n  },\n  \"acquirer\": {\n    \"merchantId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"brands\": [\n      \"Mastercard\",\n      \"Visa\"\n    ]\n  },\n  \"state\": \"Enabled\"\n}")

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

	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/v1/merchants/{merchantId}/providers")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Getnet SEP\",\n  \"code\": \"GetnetSep\",\n  \"priority\": 1,\n  \"methods\": [\n    \"Credit\"\n  ],\n  \"credentials\": {\n    \"type\": \"GETNET_SEP\",\n    \"sellerId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"clientApiKey\": \"da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3\",\n    \"clientSecret\": \"8186a258-d2ab-4275-8349-34884f1b882e\"\n  },\n  \"acquirer\": {\n    \"merchantId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"brands\": [\n      \"Mastercard\",\n      \"Visa\"\n    ]\n  },\n  \"state\": \"Enabled\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/merchants/{merchantId}/providers")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Getnet SEP\",\n  \"code\": \"GetnetSep\",\n  \"priority\": 1,\n  \"methods\": [\n    \"Credit\"\n  ],\n  \"credentials\": {\n    \"type\": \"GETNET_SEP\",\n    \"sellerId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"clientApiKey\": \"da52e0c1-d87d-46e2-b7f2-fc4cd9f6a8d3\",\n    \"clientSecret\": \"8186a258-d2ab-4275-8349-34884f1b882e\"\n  },\n  \"acquirer\": {\n    \"merchantId\": \"2921abbe-fb28-427c-882e-2258d98b4b39\",\n    \"brands\": [\n      \"Mastercard\",\n      \"Visa\"\n    ]\n  },\n  \"state\": \"Enabled\"\n}"

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

{
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "target": "<string>",
      "message": "<string>"
    }
  ]
}