Explore APIs

A flexible API for pulling accounting data, normalized and aggregated from 20 accounting integrations.

Aletheia provides real‑time financial data harvested from the SEC’s EDGAR filings, delivering insider transaction records, company financial statements, and other key financial facts through a single API call.

Realtime and historical market data on all US equities and ETFs

Realtime and historical stock data

The API offers a comprehensive set of endpoints for managing business operations, including creating, retrieving, updating, and deleting invoices, estimates, clients, products, orders, payment links, taxes, and work types, as well as accessing supporting data such as supported countries, currencies, date formats, and UI languages.

ApiDapp

The Assess API provides enriched financial and commerce analytics for a company, exposing enhanced balance‑sheet, profit‑and‑loss, cash‑flow and invoice reports as well as detailed accounting, commerce (revenue, orders, refunds, customer‑retention, lifetime value) and subscription revenue metrics. It also offers data‑integrity status, suggested/confirmed account categories, and endpoints to generate and download Excel versions of these reports.

Instant IBAN and SWIFT number validation across the globe

Bank Feeds API enables your SMB users to set up bank feeds from accounts in your application to supported accounting platforms.

The Banking API exposes standardized banking data for a company’s connected bank accounts, allowing you to list accounts, retrieve individual account details, get current balances, and query transaction categories and transactions with paging, filtering, and ordering options.

Billingo API v3 is a RESTful service for managing accounting data — including organizations, partners, products, bank accounts, and currency rates — and for creating, retrieving, sending, canceling, and downloading invoices (documents) along with their payment histories and related utilities such as legacy‑ID conversion.

Billplz offers a REST API that lets you create Collections and Bills in Malaysian Ringgit, generate payment URLs for customers, and receive webhook callbacks and redirects to programmatically collect and track payments.

A api to generate boletos in Brazil

Real-time AI-summarized SEC filings, Fed, FDA and BLS data, ticker-tagged

All Citigroup account and statement data APIs

The API for Sync for Expenses. Sync for Expenses is an API and a set of supporting tools. It has been built to enable corporate card and expense management platforms to provide high-quality integrations with multiple accounting platforms through a standardized API.

Real-time U.S. congressional stock trade disclosures from Senate EFD and House Clerk

Matched Kalshi and Polymarket prediction-market data, cross-venue spreads

Fundamentals, filings, earnings, ownership and events for US, China and Japan equities

Live economic data — CPI, PPI, energy, treasury rates, BTC premium

Clean SEC EDGAR company financials, ratios, filings and 10-K/10-Q sections as normalized JSON

Real-time and historical stock market data with 150+ exchanges

DeFi intelligence, protocol risk, yield simulation plus 84 MCP agent tools, free Scout tier

SEC EDGAR filings, XBRL financials, Form 4 insider trades, 8-K events and 13F holdings

Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider

Realtime and historical stock data

Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto

------ This API allows developers to integrate the Frankie Financial Compliance Utility into their applications. The API allows: - Checking name, address, date of birth against national databases - Validating Australian driver's licences, passports, medicare, visas and other Australian national ID documents - Validating Australian electricity bills - Validating NZ driver's licences - Validating Ch

Economic data from the Federal Reserve Bank of St. Louis

AI-scored news sentiment for the 8 major forex currencies, refreshed every 3 hours