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
  - url: graphql/wave-financial-graphql.md
    type: GraphQL
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: kin@apievangelist.com