DEVELOPER-FIRST CRYPTO PAYMENT GATEWAY

Accept Crypto Payments with Zero Chargebacks & Instant Settlement

Integrate global crypto payments into your web app, e-commerce store, or platform in under 10 minutes. 100+ tokens supported, instant webhooks, and direct non-custodial settlement.

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Explore Interactive API

0.5%Flat Transaction Fee

0%Chargeback Risk

< 1 secReal-time Webhook Events

10+Supported Blockchains

INTERACTIVE DEVELOPER PLAYGROUND

Integration Made Incredibly Simple

Switch SDK languages below to view clean integration snippets, or simulate a live payment event.

import { JamsrPay } from "@jamsrpay/sdk";

const jamsrpay = new JamsrPay({ apiKey: process.env.JAMSR_API_KEY });

const session = await jamsrpay.checkout.create({
  amount: 49.99,
  currency: "USD",
  acceptedTokens: ["USDT", "USDC", "BTC", "ETH"],
  redirectUrl: "https://yourstore.com/order/success",
});

console.log("Checkout URL:", session.url);

Live Webhook Log Stream

[15:38:01] Gateway listener initialized.

[15:38:02] Webhook endpoint active (HTTPS).

Webhooks are signed with HMAC SHA-256 for maximum origin security.

ENTERPRISE GATEWAY FEATURES

Built for High-Volume Processing

Reliable, secure, and developer-friendly infrastructure designed to scale from indie hackers to enterprise platforms.

10+ Blockchain Networks

Accept payments on Ethereum, Bitcoin, Solana, BNB Chain, Polygon, Arbitrum, Optimism, Tron, and Avalanche seamlessly.

Zero-Slippage Auto Swaps

Optionally auto-swap incoming volatile altcoins into stablecoins (USDT/USDC) instantly upon payment confirmation.

Non-Custodial Architecture

Funds are sent directly to your wallets or smart contracts without central platform holding risk.

FAQ

Payment Gateway FAQ

JamsrPay charges a flat 0.5% transaction fee on successful payments. There are zero setup fees, zero monthly maintenance fees, and zero hidden costs.

Start Accepting Crypto Payments Today

Create your free merchant account and generate live API keys in under 60 seconds.

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