Developer Guide

Your gateway to an integrated
payments ecosystem.

One platform, three payment rails, clean APIs. Build ACH, eCheck, and card payments into your product — with real engineers supporting you from sandbox to production.

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Why build with us

APIs that behave the way
your merchants expect payments to.

Powerful Payment Solutions

Create payments, payouts, subscriptions, and payment links across ACH, eCheck, and cards from clean REST endpoints. Idempotent requests, webhooks for every event, and predictable JSON responses.

Security First

PCI DSS compliant environments, tokenized card and bank vaults, and Plaid-verified account connections — sensitive data never needs to touch your servers.

Seamless Integration

Full documentation, SDKs, and sample code for every product, plus drop-in Checkout.JS and pre-built plugins for the platforms your merchants already use.

Unparalleled Support

Real engineers on integration calls, a sandbox from day one, and a named contact who answers — most partners ship their first live payment in days.

Your app

Any stack, any platform

Sterling Ridge API

Cards · ACH · eCheck

Quick look

A verified payment
in one request.

Bank verified, balance checked, and queued for same-day settlement — one call, one webhook, done.

POST /v1/payments

$ curl https://api.sterlingridge.io/v1/payments \
    -u sk_live_51Hxxxx: \
    -d amount=125000 \
    -d currency=usd \
    -d method=ach_verified \
    -d customer=cus_9f2K3L \
    -d description="Invoice #2041"

{
  "id": "pay_7Yq2Mn4Rd",
  "object": "payment",
  "amount": 125000,
  "currency": "usd",
  "method": "ach_verified",
  "status": "processing",
  "verification": { "bank": "verified", "balance": "sufficient" },
  "expected_settlement": "same_day"
}

Documentation