PASAR API

🌐 Wave Accounting GraphQL API ~ invoicing & small-business accounting

← directory
WaveAccounting & ERPtier: commercialauth: OAuthpricing: freemiumverified 2026-06-29

GraphQL API for businesses, invoices, customers and accounting transactions in Wave. OAuth2 with a free developer account. Global, works for MY.

View docs ↗ More Accounting & ERP APIs

Get started

# Wave Accounting GraphQL API ~ invoicing & small-business accounting needs OAuth credentials ~ get yours at:
# https://developer.waveapps.com/
curl 'https://gql.waveapps.com/graphql/public' \
  -H 'Authorization: Bearer YOUR_TOKEN'

AI prompt

I'm integrating a Southeast Asian API into my app.

API: Wave Accounting GraphQL API ~ invoicing & small-business accounting
Provider: Wave
Auth: requires OAuth credentials (sign up: https://developer.waveapps.com/)
Pricing: freemium
Base URL: https://gql.waveapps.com/graphql/public
Important note: GraphQL API for businesses, invoices, customers and accounting transactions in Wave. OAuth2 with a free developer account. Global, works for MY.

Source: Wave (https://developer.waveapps.com/)
Source type: Provider API or developer docs
Endpoint type: Provider API base URL
Integration difficulty: Needs OAuth
Last checked: 2026-06-29
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

Related Accounting & ERP APIs

AutoCount Cloud Accounting API ~ MY cloud accounting integrationSQL Account RESTful API ~ live link to SQL accountingXero Accounting API ~ invoices, contacts, ledgerQuickBooks Online Accounting API ~ accounting & invoicingZoho Books API ~ online accounting, invoices, billsFreshBooks Accounting API ~ invoicing, expenses & accountingSage Accounting API ~ cloud bookkeeping, invoices & ledgerOdoo External API ~ open-source ERP & accounting (XML-RPC/JSON-RPC)Microsoft Dynamics 365 Business Central API ~ ERP, finance & operationsFinancio Developer API ~ SEA cloud accounting & e-invoicing