C#

Without Router - Current Approach

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using System.Collections.Generic;

namespace AAEcosystem
{
    public class AccountDiscoveryClient
    {
        private const string API_URL = "https://fip-1.dev.sahamati.org.in/v2/Accounts/discover";
        private const string JWS_SIGNATURE = "eyJhbGciOiJSUzI1NiIsImtpZCI6IlRlZ1FhMms3MUlFWlotaEhxcm1ueWFFc3ZvSWloNWdrVUx2SjFfTEhibGsiLCJjcml0IjpbImI2NCJdLCJiNjQiOmZhbHNlfQ..Dux_bx7X-q1YSvyNmZiyPM60ZgaK3MshWBhWeY-bLBeSmxkU5VpH-lQjBjGFW_2opX3ZK5XfF7oPc3wkp-Qj7-qVfgTg53YvGyS3oLbKvkMRHtKa33x5I-0b8BmlMzojtnA_zFfubOJoqZVPpz7BQ4qrazizaF2Z6m3FygNGuAkdbdqtnCgPCjBZ6ibkpyiKR_n_g5FcTOq7fa7JgE6IoMD0R575ssdFbHzcT-IZs0DDqc_DJ0pR7m56z9IlmRZ6kUg99kaYVl6GUHSYPwY9OCbmHa7EbgE5vUdIJjhF3vJDZhYMWCojpbh9KLGSpbHkWG4OY19S-YNJv85FtXZe0Q";
        private const string BEARER_TOKEN = "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJsRlByWU4wR3dBQ3YyUzJFVFZyRkVvZVVlc2VzelppQ2xIaVY1M3hrU3JNIn0.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.G-ErvIeZUtKkqN4CbaH09Nwzy9fUjKSD18xpNh6y74AQdB8YFfNuhC8m6nxMpDCLY2fUj8sIcQ--Jp-EYDxChSR8kQTbKDmYJzPGRGunO-hkLxPK83R3Q7Byc6KZot1lZlj-Dsv-l5JD0Ay0KpPr4bKqIas5FEZTx2qoA3p6J1CyNbiQ81t4_KxVoO44hmVKPe0FIVNLw9MK04bkHOwO-WMB9DoUX5Y8bBREYgRv_W3QEEC8gcI5vZLnHuBXSZSXQ3MDPSLOq7lGnMsxh5A0YF1Wvfqg3LJjXizMfIfRNMyq2M0eMwHQEWfjLNTEqS6Bd6qkjPREVdhRTTnHaggq9A";
        private const string FIP_ID = "FIP-SIMULATOR";

        private static readonly string REQUEST_BODY = @"{
            ""ver"": ""2.0.0"",
            ""timestamp"": ""2023-06-26T06:41:54.904+0000"",
            ""txnid"": ""f35761ac-4a18-11e8-96ff-0277a9fbfedc2"",
            ""Customer"": {
                ""id"": ""customer_identifier@AA_identifier"",
                ""Identifiers"": [
                    {
                        ""category"": ""STRONG"",
                        ""type"": ""AADHAAR"",
                        ""value"": ""XXXXXXXXXXXXXXXX""
                    }
                ]
            },
            ""FITypes"": [
                ""DEPOSIT""
            ]
        }";

        public static async Task Main(string[] args)
        {
            try
            {
                using var httpClient = new HttpClient();
                httpClient.Timeout = TimeSpan.FromSeconds(10);

                var request = new HttpRequestMessage(HttpMethod.Post, API_URL);
                request.Headers.Add("x-jws-signature", JWS_SIGNATURE);
                request.Headers.Add("x-simulate-res", "Ok");

                request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", BEARER_TOKEN);
                request.Content = new StringContent(REQUEST_BODY, Encoding.UTF8, "application/json");

                var response = await httpClient.SendAsync(request);
                var responseBody = await response.Content.ReadAsStringAsync();

                Console.WriteLine($"Response Status Code: {(int)response.StatusCode} {response.StatusCode}");
                Console.WriteLine($"Response Body: {responseBody}");
            }
            catch (Exception ex)
            {
                Console.Error.WriteLine($"Error occurred: {ex.Message}");
                Console.Error.WriteLine(ex.StackTrace);
            }
        }
    }
}

With Router Integration

using System;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;
using System.Collections.Generic;

namespace AAEcosystem
{
    public class AccountDiscoveryClient
    {
        private const string API_URL = "https://api.dev.sahamati.org.in/router/v2/Accounts/discover";
        private const string JWS_SIGNATURE = "eyJhbGciOiJSUzI1NiIsImtpZCI6IlRlZ1FhMms3MUlFWlotaEhxcm1ueWFFc3ZvSWloNWdrVUx2SjFfTEhibGsiLCJjcml0IjpbImI2NCJdLCJiNjQiOmZhbHNlfQ..Dux_bx7X-q1YSvyNmZiyPM60ZgaK3MshWBhWeY-bLBeSmxkU5VpH-lQjBjGFW_2opX3ZK5XfF7oPc3wkp-Qj7-qVfgTg53YvGyS3oLbKvkMRHtKa33x5I-0b8BmlMzojtnA_zFfubOJoqZVPpz7BQ4qrazizaF2Z6m3FygNGuAkdbdqtnCgPCjBZ6ibkpyiKR_n_g5FcTOq7fa7JgE6IoMD0R575ssdFbHzcT-IZs0DDqc_DJ0pR7m56z9IlmRZ6kUg99kaYVl6GUHSYPwY9OCbmHa7EbgE5vUdIJjhF3vJDZhYMWCojpbh9KLGSpbHkWG4OY19S-YNJv85FtXZe0Q";
        private const string BEARER_TOKEN = "eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJsRlByWU4wR3dBQ3YyUzJFVFZyRkVvZVVlc2VzelppQ2xIaVY1M3hrU3JNIn0.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.G-ErvIeZUtKkqN4CbaH09Nwzy9fUjKSD18xpNh6y74AQdB8YFfNuhC8m6nxMpDCLY2fUj8sIcQ--Jp-EYDxChSR8kQTbKDmYJzPGRGunO-hkLxPK83R3Q7Byc6KZot1lZlj-Dsv-l5JD0Ay0KpPr4bKqIas5FEZTx2qoA3p6J1CyNbiQ81t4_KxVoO44hmVKPe0FIVNLw9MK04bkHOwO-WMB9DoUX5Y8bBREYgRv_W3QEEC8gcI5vZLnHuBXSZSXQ3MDPSLOq7lGnMsxh5A0YF1Wvfqg3LJjXizMfIfRNMyq2M0eMwHQEWfjLNTEqS6Bd6qkjPREVdhRTTnHaggq9A";
        private const string FIP_ID = "FIP-SIMULATOR";

        private static readonly string REQUEST_BODY = @"{
            ""ver"": ""2.0.0"",
            ""timestamp"": ""2023-06-26T06:41:54.904+0000"",
            ""txnid"": ""f35761ac-4a18-11e8-96ff-0277a9fbfedc2"",
            ""Customer"": {
                ""id"": ""customer_identifier@AA_identifier"",
                ""Identifiers"": [
                    {
                        ""category"": ""STRONG"",
                        ""type"": ""AADHAAR"",
                        ""value"": ""XXXXXXXXXXXXXXXX""
                    }
                ]
            },
            ""FITypes"": [
                ""DEPOSIT""
            ]
        }";

        public static async Task Main(string[] args)
        {
            try
            {
                using var httpClient = new HttpClient();
                httpClient.Timeout = TimeSpan.FromSeconds(10);

                var request = new HttpRequestMessage(HttpMethod.Post, API_URL);
                request.Headers.Add("x-jws-signature", JWS_SIGNATURE);
                request.Headers.Add("x-simulate-res", "Ok");

                // Router changes - start
                var metaInfo = new Dictionary<string, string> { { "recipient-id", FIP_ID } };
                string metaInfoStr = JsonSerializer.Serialize(metaInfo);
                string base64MetaInfo = Convert.ToBase64String(Encoding.UTF8.GetBytes(metaInfoStr));
                request.Headers.Add("x-request-meta", base64MetaInfo);
                // Router changes - end

                request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", BEARER_TOKEN);
                request.Content = new StringContent(REQUEST_BODY, Encoding.UTF8, "application/json");

                var response = await httpClient.SendAsync(request);
                var responseBody = await response.Content.ReadAsStringAsync();

                Console.WriteLine($"Response Status Code: {(int)response.StatusCode} {response.StatusCode}");
                Console.WriteLine($"Response Body: {responseBody}");
            }
            catch (Exception ex)
            {
                Console.Error.WriteLine($"Error occurred: {ex.Message}");
                Console.Error.WriteLine(ex.StackTrace);
            }
        }
    }
}