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Commerce APIsCheckout, customer, and payment APIs for commerce

Sealbook lists 1,272 Payments & Fintech products. Common specialties: Business banking, Crypto exchange, Spend management, Payment gateway, Expense management. Most vendors are based in United States (368), Mexico (57), United Kingdom (44), India (40). 42 have a feature-by-feature check from their own website and 12 publish plan prices. Ranked by how widely known each product is and how much we could confirm — vendors cannot pay for position.
Checkout, customer, and payment APIs for commerce
AI and semiconductor stock terminal with market data.
API platform for connected vehicle data.
High-performance network for payments and crypto apps.
Cryptocurrency payments for businesses.
Build voice, messaging, and network workflows.
Real-time market data API for developers.
Automated trading platform for stocks and crypto
Trading tools and APIs for stocks and options
Calculate mortgage payments, taxes, insurance, and PMI.
Buy and sell cryptocurrencies and pay with VALR Pay.
API for VAT rates, validation, and compliant invoicing.
Payment solutions for businesses and enterprises.
API for obtaining connected financial data.
Crowdfunding and online fundraising platform.
AI market data and analytics for stocks, ETFs, and crypto.
Connected financial data and analytics for financial products.
Health benefit payments for loyalty and checkout flows.
Payment infrastructure for outdoor and tactical merchants.
Swap crypto tokens across multiple chains and DeFi routes.
Blockchain infrastructure and APIs for developers.
Shariah-compliant investing tools and market screening.
Payments, payouts, cards, and expenses for businesses.
Global payments, wallets, cards, and billing.
Platform for courses, email, CRM, community, payments, and automations.
Accounting platform for multi-entity finance and reporting.
POS, payment, and business tools for small businesses.
Podcast subscription platform for creators.
Business travel booking and management for teams.
Payouts platform for onboarding recipients and sending payments.
Voice AI that handles calls, chats, and follow-up work.
Field service software for home service businesses.
Cryptocurrency exchange for trading digital assets.
Checkout software for selling digital products and subscriptions.
Connected solutions for business payments and cash management.
POS and payment tools for retail and hospitality businesses.
Merchant of record for software and SaaS.
B2B platform for digital products reselling.
Flexible payment technology for businesses.
Financial solutions for e-commerce merchants and brands.
Invoice and get paid with reminders and tax handling.
Payment gateway for Malaysian businesses.
Booking software for events, classes, and activities.
Client planning software for financial professionals
Online age verification for regulated checkout flows.
Expense approvals inside Slack.
Trading terminal for memecoins, prediction markets, and spot trading.
Invoicing software clients can pay by card.