Merge Accounting API
Merge Accounting API provides a unified API for accounting integrations, enabling read and write access to financial data across major accounting systems including QuickBooks Online, Xero, NetSuite, and Sage Intacct. Late-April 2026 added Oracle Fusion Cloud ERP (beta). It supports journal entries, payments, invoices, and other financial transaction data.
Documentation
Specifications
Schemas & Data
JSONSchema
https://raw.githubusercontent.com/api-evangelist/merge/refs/heads/main/json-schema/accounting-api-invoice-schema.json
JSONStructure
https://raw.githubusercontent.com/api-evangelist/merge/refs/heads/main/json-structure/accounting-api-invoice-structure.json
Other Resources
Website
https://www.merge.dev/categories/accounting-api
JSONLD
https://raw.githubusercontent.com/api-evangelist/merge/refs/heads/main/json-ld/merge-accounting-api-context.jsonld
Examples
https://raw.githubusercontent.com/api-evangelist/merge/refs/heads/main/examples/accounting-api-invoice-example.json