PASAR API

🇲🇾 FreeAgent Accounting & Invoicing API

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OAuth2 REST API for invoices, expenses, bank transactions, payroll and tax returns. UK-focused SMB accounting but accessible to MY developers building cross-border invoicing integrations.

View docs ↗ More E-invoicing & tax APIs

Get started

# FreeAgent Accounting & Invoicing API needs OAuth credentials.
# No single public base URL ~ start from the docs:
# https://dev.freeagent.com/docs

AI prompt

I'm integrating a Malaysian API into my app.

API: FreeAgent Accounting & Invoicing API
Provider: FreeAgent (NatWest)
Auth: requires OAuth credentials (sign up: https://dev.freeagent.com/docs)
Pricing: paid

Help me set up authentication and make my first successful request ~ explain exactly where the credentials go.

Related E-invoicing & tax APIs