curl --request POST \
  --url https://api.pipevest.com/v1/ussd/process \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Signature: <signature>' \
  --header 'Signature-Input: <signature-input>' \
  --header 'X-Client-Id: <x-client-id>' \
  --data '
{
  "sessionId": "ussd_3278668b308502f3a562950fc8043028",
  "choice": 1
}
'

import requests

url = "https://api.pipevest.com/v1/ussd/process"

payload = {
    "sessionId": "ussd_3278668b308502f3a562950fc8043028",
    "choice": 1
}
headers = {
    "Signature": "<signature>",
    "Signature-Input": "<signature-input>",
    "X-Client-Id": "<x-client-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Signature: '<signature>',
    'Signature-Input': '<signature-input>',
    'X-Client-Id': '<x-client-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({sessionId: 'ussd_3278668b308502f3a562950fc8043028', choice: 1})
};

fetch('https://api.pipevest.com/v1/ussd/process', 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.pipevest.com/v1/ussd/process",
  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([
    'sessionId' => 'ussd_3278668b308502f3a562950fc8043028',
    'choice' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "Signature: <signature>",
    "Signature-Input: <signature-input>",
    "X-Client-Id: <x-client-id>"
  ],
]);

$response = curl_exec($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.pipevest.com/v1/ussd/process"

	payload := strings.NewReader("{\n  \"sessionId\": \"ussd_3278668b308502f3a562950fc8043028\",\n  \"choice\": 1\n}")

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

	req.Header.Add("Signature", "<signature>")
	req.Header.Add("Signature-Input", "<signature-input>")
	req.Header.Add("X-Client-Id", "<x-client-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))

}

HttpResponse<String> response = Unirest.post("https://api.pipevest.com/v1/ussd/process")
  .header("Signature", "<signature>")
  .header("Signature-Input", "<signature-input>")
  .header("X-Client-Id", "<x-client-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"sessionId\": \"ussd_3278668b308502f3a562950fc8043028\",\n  \"choice\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.pipevest.com/v1/ussd/process")

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

request = Net::HTTP::Post.new(url)
request["Signature"] = '<signature>'
request["Signature-Input"] = '<signature-input>'
request["X-Client-Id"] = '<x-client-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"sessionId\": \"ussd_3278668b308502f3a562950fc8043028\",\n  \"choice\": 1\n}"

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

{
  "message": "USSD request processed successfully",
  "data": {
    "sessionId": "ussd_3278668b308502f3a562950fc8043028",
    "currentState": "STOCKS",
    "menu": {
      "state": "STOCKS",
      "text": "Select Stock:",
      "options": [
        {
          "key": "1",
          "label": "AAPL",
          "nextState": "SELECT_STOCK",
          "data": {
            "stockId": "cmhkp4jkw0005zxfok9m0kiwg",
            "symbol": "AAPL",
            "name": "Apple Inc."
          }
        },
        {
          "key": "2",
          "label": "AMZN",
          "nextState": "SELECT_STOCK",
          "data": {
            "stockId": "cmhkp4kcp0008zxfohlxjtvd7",
            "symbol": "AMZN",
            "name": "Amazon.com Inc."
          }
        },
        {
          "key": "3",
          "label": "GOOGL",
          "nextState": "SELECT_STOCK",
          "data": {
            "stockId": "cmhkp4juc0006zxfo52azbrvo",
            "symbol": "GOOGL",
            "name": "Alphabet Inc."
          }
        },
        {
          "key": "4",
          "label": "JPM",
          "nextState": "SELECT_STOCK",
          "data": {
            "stockId": "cmhkp4ldl000czxfoqdqmzur8",
            "symbol": "JPM",
            "name": "JPMorgan Chase & Co."
          }
        },
        {
          "key": "5",
          "label": "META",
          "nextState": "SELECT_STOCK",
          "data": {
            "stockId": "cmhkp4kv7000azxfoi6s5yw7j",
            "symbol": "META",
            "name": "Meta Platforms Inc."
          }
        },
        {
          "key": "7",
          "label": "Next Page"
        },
        {
          "key": "8",
          "label": "Search Stock",
          "nextState": "SEARCH_STOCK"
        },
        {
          "key": "0",
          "label": "Back to Home",
          "nextState": "HOME"
        }
      ],
      "isEndState": false
    },
    "ussdText": "Select Stock:\n\n1. AAPL\n2. AMZN\n3. GOOGL\n4. JPM\n5. META\n7. Next Page\n8. Search Stock\n0. Back to Home",
    "expiresAt": "2025-11-06T14:38:12.202Z"
  }
}

{
  "code": 401,
  "message": "Unauthorized"
}