curl --request POST \
  --url https://api.obiex.finance/v1/collections \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "customer": {
    "firstName": "Ada",
    "lastName": "Okafor",
    "bvn": "22212345678",
    "nin": "11198765432"
  },
  "collectionType": "FIAT",
  "sourceCurrency": "NGNX",
  "targetCurrency": "USDT",
  "amount": 5000
}
'

import requests

url = "https://api.obiex.finance/v1/collections"

payload = {
    "customer": {
        "firstName": "Ada",
        "lastName": "Okafor",
        "bvn": "22212345678",
        "nin": "11198765432"
    },
    "collectionType": "FIAT",
    "sourceCurrency": "NGNX",
    "targetCurrency": "USDT",
    "amount": 5000
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    customer: {firstName: 'Ada', lastName: 'Okafor', bvn: '22212345678', nin: '11198765432'},
    collectionType: 'FIAT',
    sourceCurrency: 'NGNX',
    targetCurrency: 'USDT',
    amount: 5000
  })
};

fetch('https://api.obiex.finance/v1/collections', 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.obiex.finance/v1/collections",
  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([
    'customer' => [
        'firstName' => 'Ada',
        'lastName' => 'Okafor',
        'bvn' => '22212345678',
        'nin' => '11198765432'
    ],
    'collectionType' => 'FIAT',
    'sourceCurrency' => 'NGNX',
    'targetCurrency' => 'USDT',
    'amount' => 5000
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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.obiex.finance/v1/collections"

	payload := strings.NewReader("{\n  \"customer\": {\n    \"firstName\": \"Ada\",\n    \"lastName\": \"Okafor\",\n    \"bvn\": \"22212345678\",\n    \"nin\": \"11198765432\"\n  },\n  \"collectionType\": \"FIAT\",\n  \"sourceCurrency\": \"NGNX\",\n  \"targetCurrency\": \"USDT\",\n  \"amount\": 5000\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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.obiex.finance/v1/collections")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"customer\": {\n    \"firstName\": \"Ada\",\n    \"lastName\": \"Okafor\",\n    \"bvn\": \"22212345678\",\n    \"nin\": \"11198765432\"\n  },\n  \"collectionType\": \"FIAT\",\n  \"sourceCurrency\": \"NGNX\",\n  \"targetCurrency\": \"USDT\",\n  \"amount\": 5000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.obiex.finance/v1/collections")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"customer\": {\n    \"firstName\": \"Ada\",\n    \"lastName\": \"Okafor\",\n    \"bvn\": \"22212345678\",\n    \"nin\": \"11198765432\"\n  },\n  \"collectionType\": \"FIAT\",\n  \"sourceCurrency\": \"NGNX\",\n  \"targetCurrency\": \"USDT\",\n  \"amount\": 5000\n}"

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

{
  "message": "Ok",
  "data": {
    "customerId": "9b1d6a3d-df3e-4e33-9f2b-1c2e3a9b6a11",
    "transactionReference": "col_9f639b9f2a4a4b0e8e0e2d9c9d7a9d3e",
    "collectionType": "FIAT",
    "targetCurrency": "USDT",
    "expiresAt": "2026-08-17T10:47:00.000Z",
    "account": {
      "bankName": "Wema Bank",
      "accountName": "Obiex-Ada Okafor",
      "accountNumber": "9012345678"
    }
  }
}