curl --request PATCH \
  --url https://api.example.com/submerchants/{submerchantId} \
  --header 'ApiKey: <apikey>' \
  --header 'Content-Type: application/json' \
  --header 'Environment: <environment>' \
  --header 'MerchantId: <merchantid>' \
  --data '
{
  "name": "Updated Submerchant Name",
  "description": "Updated submerchant description",
  "address": "456 Updated St",
  "zipcode": "54321",
  "city": "London",
  "phoneNumber": "+9876543210",
  "legalInfo": {
    "legalName": "<string>",
    "headOfficeAddress": "<string>",
    "businessActivity": "<string>",
    "managerName": "<string>",
    "websiteURL": "<string>",
    "isBetting": true,
    "isCrypto": true,
    "isNGO": true
  }
}
'

import requests

url = "https://api.example.com/submerchants/{submerchantId}"

payload = {
    "name": "Updated Submerchant Name",
    "description": "Updated submerchant description",
    "address": "456 Updated St",
    "zipcode": "54321",
    "city": "London",
    "phoneNumber": "+9876543210",
    "legalInfo": {
        "legalName": "<string>",
        "headOfficeAddress": "<string>",
        "businessActivity": "<string>",
        "managerName": "<string>",
        "websiteURL": "<string>",
        "isBetting": True,
        "isCrypto": True,
        "isNGO": True
    }
}
headers = {
    "ApiKey": "<apikey>",
    "MerchantId": "<merchantid>",
    "Environment": "<environment>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    ApiKey: '<apikey>',
    MerchantId: '<merchantid>',
    Environment: '<environment>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    name: 'Updated Submerchant Name',
    description: 'Updated submerchant description',
    address: '456 Updated St',
    zipcode: '54321',
    city: 'London',
    phoneNumber: '+9876543210',
    legalInfo: {
      legalName: '<string>',
      headOfficeAddress: '<string>',
      businessActivity: '<string>',
      managerName: '<string>',
      websiteURL: '<string>',
      isBetting: true,
      isCrypto: true,
      isNGO: true
    }
  })
};

fetch('https://api.example.com/submerchants/{submerchantId}', 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/submerchants/{submerchantId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => 'Updated Submerchant Name',
    'description' => 'Updated submerchant description',
    'address' => '456 Updated St',
    'zipcode' => '54321',
    'city' => 'London',
    'phoneNumber' => '+9876543210',
    'legalInfo' => [
        'legalName' => '<string>',
        'headOfficeAddress' => '<string>',
        'businessActivity' => '<string>',
        'managerName' => '<string>',
        'websiteURL' => '<string>',
        'isBetting' => true,
        'isCrypto' => true,
        'isNGO' => true
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "ApiKey: <apikey>",
    "Content-Type: application/json",
    "Environment: <environment>",
    "MerchantId: <merchantid>"
  ],
]);

$response = curl_exec($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/submerchants/{submerchantId}"

	payload := strings.NewReader("{\n  \"name\": \"Updated Submerchant Name\",\n  \"description\": \"Updated submerchant description\",\n  \"address\": \"456 Updated St\",\n  \"zipcode\": \"54321\",\n  \"city\": \"London\",\n  \"phoneNumber\": \"+9876543210\",\n  \"legalInfo\": {\n    \"legalName\": \"<string>\",\n    \"headOfficeAddress\": \"<string>\",\n    \"businessActivity\": \"<string>\",\n    \"managerName\": \"<string>\",\n    \"websiteURL\": \"<string>\",\n    \"isBetting\": true,\n    \"isCrypto\": true,\n    \"isNGO\": true\n  }\n}")

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

	req.Header.Add("ApiKey", "<apikey>")
	req.Header.Add("MerchantId", "<merchantid>")
	req.Header.Add("Environment", "<environment>")
	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.patch("https://api.example.com/submerchants/{submerchantId}")
  .header("ApiKey", "<apikey>")
  .header("MerchantId", "<merchantid>")
  .header("Environment", "<environment>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"Updated Submerchant Name\",\n  \"description\": \"Updated submerchant description\",\n  \"address\": \"456 Updated St\",\n  \"zipcode\": \"54321\",\n  \"city\": \"London\",\n  \"phoneNumber\": \"+9876543210\",\n  \"legalInfo\": {\n    \"legalName\": \"<string>\",\n    \"headOfficeAddress\": \"<string>\",\n    \"businessActivity\": \"<string>\",\n    \"managerName\": \"<string>\",\n    \"websiteURL\": \"<string>\",\n    \"isBetting\": true,\n    \"isCrypto\": true,\n    \"isNGO\": true\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/submerchants/{submerchantId}")

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

request = Net::HTTP::Patch.new(url)
request["ApiKey"] = '<apikey>'
request["MerchantId"] = '<merchantid>'
request["Environment"] = '<environment>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"Updated Submerchant Name\",\n  \"description\": \"Updated submerchant description\",\n  \"address\": \"456 Updated St\",\n  \"zipcode\": \"54321\",\n  \"city\": \"London\",\n  \"phoneNumber\": \"+9876543210\",\n  \"legalInfo\": {\n    \"legalName\": \"<string>\",\n    \"headOfficeAddress\": \"<string>\",\n    \"businessActivity\": \"<string>\",\n    \"managerName\": \"<string>\",\n    \"websiteURL\": \"<string>\",\n    \"isBetting\": true,\n    \"isCrypto\": true,\n    \"isNGO\": true\n  }\n}"

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

{
  "id": "mch_1a2b3c",
  "name": "Submerchant Name",
  "status": "closed",
  "isActive": true,
  "isAggregator": true,
  "defaultCurrency": "XOF",
  "createdAt": "2026-08-13T09:00:00.000Z",
  "description": "<string>",
  "country": "CI",
  "address": "<string>",
  "zipcode": "<string>",
  "city": "<string>",
  "phoneNumber": "<string>",
  "legalInfo": {
    "legalName": "<string>",
    "headOfficeAddress": "<string>",
    "businessActivity": "<string>",
    "managerName": "<string>",
    "websiteURL": "<string>",
    "isBetting": true,
    "isCrypto": true,
    "isNGO": true
  }
}

{
  "status": 400,
  "error": {
    "statusCode": 400,
    "message": [
      "destination.provider must be a string"
    ],
    "error": "Bad Request"
  }
}

{
  "status": 401,
  "error": {
    "type": "authorization_error",
    "code": "wrong_credentials",
    "message": "L'ID marchand et/ou la clé d'API sont incorrects."
  }
}

{
  "httpStatus": 404,
  "message": "X not found",
  "error": "Not found"
}

{
  "type": "internal_error",
  "code": [
    "internal_error",
    "wrong_credentials",
    "not_granted",
    "live_mode_not_granted"
  ],
  "message": "An error occurred on our system. Please try again later."
}