Wave Financial · GraphQL Specification

Wave Financial GraphQL API

Wave Financial provides a public GraphQL API for programmatic access to its small-business accounting and invoicing platform. The API covers core business data including businesses, customers, invoices, estimates, products, accounts, transactions, vendors, sales taxes, and payments. Authentication uses OAuth 2.0.

Documentation Endpoint View on GitHub AccountingInvoicingFinancialSmall BusinessBookkeepingPaymentsGraphQL

Overview

Wave Financial GraphQL API is a GraphQL API specification published by Wave Financial on the APIs.io network.

Wave Financial provides a public GraphQL API for programmatic access to its small-business accounting and invoicing platform. The API covers core business data including businesses, customers, invoices, estimates, products, accounts, transactions, vendors, sales taxes, and payments. Authentication uses OAuth 2.0.

The specification includes 4 reference links.

Tagged areas include Accounting, Invoicing, Financial, Small Business, and Bookkeeping.

Endpoint

References

Back to Wave Financial · All GraphQL Specs · GitHub

Work with this as data

Every GraphQL schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for graphql

4 MCP tools reach this
  • find_graphqlBrowse and filter every GraphQL schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This GraphQL schema
curl "https://apis.io/api/v1/graphql/wave-financial-graphql"
All graphql
curl "https://apis.io/api/v1/graphql?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.