Five official libraries with the same resource interface.

composer require wthaiq/wthaiq-php

require 'vendor/autoload.php';

$wthaiq = new \Wthaiq\Client(getenv('WTHAIQ_API_KEY'));
$request = $wthaiq->signatureRequests->create([
    'source'  => ['type' => 'template', 'template_id' => 'tpl_123'],
    'signers' => [['name' => 'Noha Hassan', 'email' => 'noha@example.com']],
]);

echo $request->id . ' ' . $request->status; // sr_3n8Kd2Qa1V... sent

npm install wthaiq

import Wthaiq from 'wthaiq';

const wt = new Wthaiq(process.env.WTHAIQ_API_KEY);

const sr = await wt.signatureRequests.create({
  title: 'Employment contract',
  source: { type: 'template', template_id: 'tpl_123' },
  legal_level: 'aes',
  signers: [{ name: 'Ahmed Ali', email: 'ahmed@example.com', method: 'draw', require_identity: true }],
});

console.log(sr.id, sr.status); // sr_3f1c… sent

pip install wthaiq

import os
import wthaiq

wt = wthaiq.Client(os.environ["WTHAIQ_API_KEY"])  # sk_test_... while you build

sr = wt.signature_requests.create(
    title="عقد عمل — أحمد سامي",
    source={"type": "template", "template_id": "tpl_123"},
    legal_level="aes",
    signers=[{"name": "أحمد سامي", "email": "ahmed@example.com", "method": "draw"}],
)

print(sr.id, sr.status)  # sr_3n8Kd2Qa1V... sent

.package(url: "https://github.com/wthaiq/wthaiq-ios", from: "1.0.0")

import SwiftUI
import WthaiqSigning

struct OrderView: View {
    @State private var signingURL: URL?
    @State private var isSigning = false

    var body: some View {
        Button("Sign the contract") {
            Task {
                signingURL = try? await MyBackend.signingURL(forOrder: 42) // your API call
                isSigning = signingURL != nil
            }
        }
        .wthaiqSigning(isPresented: $isSigning, url: signingURL) { result in
            if case .signed = result { /* confirm on your backend via webhooks */ }
        }
    }
}

implementation("com.wthaiq:signing:1.0.0")

class OrderActivity : ComponentActivity() {

    private val signing = registerForActivityResult(WthaiqSigning.Contract()) { result ->
        when (result) {
            is SigningResult.Signed -> showConfirming(result.outcome.reference.signatureRequestId)
            is SigningResult.Declined -> showDeclined(result.outcome.reason)
            SigningResult.Canceled -> Unit
            SigningResult.Expired -> requestNewLink()
            is SigningResult.Failed -> showError(result.error)
        }
    }

    private fun sign(signingUrl: String) {
        signing.launch(signingUrl)
    }
}