Payments & finance
1,916 APIs for payments, banking, accounting, insurance, or financial market services.
Collections
New this month
804 APIs added in the last 30 days.
The biggest APIs
The APIs with the most operations.
Most active
Most new revisions in the last 90 days.
All APIs
1,916- BR90 operations52 revisionsbrapi - API do Mercado Financeiro Brasileiro@brapi-dev/brapi-api-do-mercado-financeiro-brasileiro
Ações, FIIs, opções, câmbio, cripto e indicadores macro do Brasil: cotações, histórico e tickers
- AP161 operations62 revisionsAPI Reference@orbcorp/orbcorp
Billing: create customers, subscriptions, invoices, credits, coupons and usage events
- AI1,256 operations33 revisionsAINumbers.co Fintech Intelligence Suite@ainumbers/ainumbers-co-fintech-intelligence-suite
Fintech tools: validate ISO 20022 messages, A2A payments, MiCA and DORA compliance, and agentic payment mandates
- CR50 operations36 revisionsCrossmint Wallets API@crossmint/crossmint-wallets-api
Wallets: create and fund wallets, transfer tokens, manage signers, signatures and transactions
- HY230 operations31 revisionsHyperscale API@hyperscale0/hyperscale-product-api
Financial APIs: open accounts, move money, manage customers and products, with sandbox testing
- AP161 operations3 revisionsAPI Reference@withorb/withorb
Billing: manage customers, subscriptions, invoices, credits, prices and usage events
- CO52 operations14 revisionsCoil Agent API@coil/coil-scanner-agent-api
Market data and trading signals for AI agents: regime calls, buy lists and per-ticker scores, paid per call in USDC
- AD13 operations624 revisionsAdyen Payment API@adyen/paymentservice
Payments: authorise, capture, cancel and refund card and bank transfer payments, plus 3DS checks
- DA176 operations17 revisionsDados B3@dadosb3/dados-b3
Finanças: dados fundamentalistas de empresas, FIIs, ETFs e BDRs da B3 com fonte CVM
- AD26 operations933 revisionsAdyen Checkout API@adyen/checkoutservice
Online payments: authorise and capture cards, wallets, refunds, payment links and donations
- BU480 operations69 revisionsbunq API@bunq/bunq-api
Banking: manage accounts, payments, cards, invoices, bunq.me tabs and statements
- CL0 operations105 revisionsClassic Platforms - Notifications@adyen/marketpaynotificationservice
- EL9 operations14 revisionsElbstream API@elbstream/elbstream-api
Financial data: news feeds, company profiles, asset lookups by ISIN, LEI mappings and logos
- AD96 operations44 revisionsAdfin API@adfin/adfin-api
Accounts receivable: invoices, payment requests, customers, direct debit mandates and payouts
- AC186 operations266 revisionsAccounting API@apideck-libraries/accounting-api
Accounting: manage invoices, bills, customers, suppliers, payments, refunds and ledger accounts
- KE252 operations10 revisionsKeyban REST APIs@keyban/keyban-rest-apis
Digital product passports, loyalty programs, tokenized funds and agent wallets for managing customer accounts
- EM28 operations6 revisionsEmisso Connect API@emisso/emisso-connect-api
Sistemas chilenos: emite y consulta documentos tributarios, gestiona conexiones e indicadores
- CA98 operations77 revisionsCatena API@catena/catena-api
Operator API for accounts, agents, transfers, sends, approvals, counterparties and audit reports
- KA133 operations70 revisionsKalshi Trade API Manual Endpoints@kalshi/kalshi-trade-api-manual-endpoints
Prediction markets: trade event contracts, manage orders, portfolio, RFQs and API keys
- DE81 operations3 revisionsDecibel Trading API@decibel/decibel-trading-api
Market data, positions, orders and account analytics for a perpetuals trading venue on Aptos
- AS114 operations31 revisionsASPERN@aspern/aspern
Vault and operator due diligence: on-chain records, risk exposure, and verifiable decision logs
- RO22 operations70 revisionsRosetta@coinbase/rosetta
Blockchain: read blocks, balances and mempool, build and submit transactions across networks
- FO64 operations4 revisionsForm4API@form4api/form4api
Insider trades, Form 144 notices, 13F institutional holdings and congressional trades for signal analysis and alerts
- PM52 operations76 revisionsPMXT Hosted API@pmxt-dev/pmxt-hosted-api
Prediction markets: search cross-venue markets and events, pull order books and OHLCV, and place and manage orders
Showing 1 to 24 of 1,916
Load more