Wave Financial

Free accounting software for small businesses with a GraphQL API for managing invoices, estimates, customers, products, accounts, and financial reporting. The API uses OAuth 2.0 for authentication and supports operations for businesses, customers, invoices, transactions, vendors, taxes, and webhooks.

1 APIs 0 Features

AccountingInvoicingFinancialSmall BusinessBookkeepingPayments

APIs

Wave Financial GraphQL API

GraphQL API providing programmatic access to Wave accounting features including businesses, customers, invoices, products, accounts, transactions, vendors, taxes, and webhooks.

Resources

Sources

aid: wave-financial
name: Wave Financial
description: Free accounting software for small businesses with a GraphQL API for managing invoices, estimates, customers, products, accounts, and financial reporting. The API uses OAuth 2.0 for authentication and supports operations for businesses, customers, invoices, transactions, vendors, taxes, and webhooks.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/wave-financial/refs/heads/main/apis.yml
created: 2026-06-13
modified: 2026-06-13
specificationVersion: "0.19"
tags:
  - Accounting
  - Invoicing
  - Financial
  - Small Business
  - Bookkeeping
  - Payments
apis:
  - aid: wave-financial:wave-financial-graphql-api
    name: Wave Financial GraphQL API
    description: GraphQL API providing programmatic access to Wave accounting features including businesses, customers, invoices, products, accounts, transactions, vendors, taxes, and webhooks.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developer.waveapps.com/hc/en-us
    baseURL: https://gql.waveapps.com/graphql/public
    tags:
      - Accounting
      - GraphQL
      - Invoicing
      - Customers
      - Transactions
    properties:
      - type: Documentation
        url: https://developer.waveapps.com/hc/en-us/categories/360001114072-Documentation
      - type: Authentication
        url: https://developer.waveapps.com/hc/en-us/articles/360019493652-OAuth-Guide
      - type: GraphQL
        url: https://developer.waveapps.com/hc/en-us/articles/360018570992-Building-on-GraphQL
      - type: Playground
        url: https://developer.waveapps.com/hc/en-us/articles/360018937431-API-Playground
common:
  - type: Website
    url: https://www.waveapps.com
  - type: Documentation
    url: https://developer.waveapps.com/hc/en-us
  - type: GitHubOrg
    url: https://github.com/waveapps
  - type: LinkedIn
    url: https://www.linkedin.com/company/waveapps
  - type: Blog
    url: https://www.waveapps.com/blog
  - type: Pricing
    url: https://www.waveapps.com/pricing
  - type: StatusPage
    url: https://status.waveapps.com/
  - type: X
    url: https://twitter.com/wave_financial
  - type: Plans
    url: plans/wave-financial-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/wave-financial-rate-limits.yml
  - type: FinOps
    url: finops/wave-financial-finops.yml
maintainers:
  - FN: Kin Lane
    email: [email protected]