Developers

Build on Aquasync

Integrate once and access orchestration, cashier, merchant onboarding, and reporting through clean, well-documented APIs.

RESTful APIs

Predictable, well-documented endpoints covering payments, merchants, and operational reporting.

Sandbox environment

A production-parity test space with realistic PSP response simulation.

Webhooks

Instant event delivery for payment states, onboarding milestones, and verification outcomes.

SDKs & guides

Hands-on integration paths for Node.js, Python, and direct HTTP implementations.

API reference

Quick start

Authenticate with your API key, create a payment session, and receive webhook events for transaction lifecycle updates.

Request API access

Example request

curl -X POST https://api.aquasync-fintech.com/v1/payments \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "amount": 10000,
    "currency": "INR",
    "merchant_id": "mrc_abc123",
    "method": "upi"
  }'

Merchant onboarding API

Programmatically create onboarding links, track document uploads, and receive verification status via webhooks.

Try onboarding flow

Ready to integrate?

Get sandbox credentials and full API documentation from our developer team.

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