Best Payments & Commerce APIs in 2026

Payment processing, subscription billing, and e-commerce platform APIs. Handle everything from one-off charges to complex marketplace payouts.

13 APIs across 6 subcategories

Payment Processing(5)

TransactionPayment Processing

8.8M/wk

Stripe API

Accept payments, manage subscriptions, invoices, and payouts globally.

CLI

Quality

npm i stripe

TransactionPayment Processing

165k/wk

Adyen API

Enterprise payment platform supporting 250+ payment methods worldwide.

CLI

Quality

npm i @adyen/api-library

TransactionPayment Processing

158k/wk

Square API

In-person and online payment processing, inventory, and invoicing.

CLI

Quality

npm i square

TransactionPayment Processing

158k/wk

Braintree API

PayPal-owned gateway for cards, PayPal, Venmo, and digital wallets.

CLI

Quality

npm i braintree

TransactionPayment Processing

59k/wk

PayPal API

Integrate PayPal checkout, subscriptions, and payouts.

CLI

Quality

npm i @paypal/checkout-server-sdk

Marketplace Payments(1)

TransactionMarketplace Payments

8.8M/wk

Stripe Connect

Payments infrastructure for platforms and marketplaces.

CLI

Quality

npm i stripe

E-commerce Platforms(2)

FreemiumE-commerce Platforms

348k/wk

Shopify API

Build apps, manage stores, products, orders, and checkout flows.

CLI

Quality

npm i @shopify/shopify-api

FreeE-commerce Platforms

41k/wk

WooCommerce REST API

Manage products, orders, and customers on WooCommerce stores.

CLI

Quality

npm i @woocommerce/woocommerce-rest-api

Subscription Billing(2)

PaidSubscription Billing

150k/wk

Chargebee API

Subscription billing, invoicing, and revenue operations.

CLI

Quality

npm i chargebee

PaidSubscription Billing

60k/wk

Recurly API

Subscription management, billing, and revenue recovery.

CLI

Quality

npm i recurly

Merchant of Record(2)

TransactionMerchant of Record

66k/wk

LemonSqueezy API

Digital product sales with global tax handling.

CLI

Quality

npm i @lemonsqueezy/lemonsqueezy.js

TransactionMerchant of Record

54k/wk

Paddle API

Payments, tax, and subscriptions as merchant of record.

CLI

Quality

npm i @paddle/paddle-node-sdk

Money Transfer(1)

TransactionMoney Transfer

Wise API

International money transfers and multi-currency accounts.

CLI

Quality

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