BBB
AEO Score: 0.60 / 1.00

FreshBooks

Accounting & Finance
Adequate โ€” Basic agent connectivity available
Agent Ready
Connectable
MCP Type
API Only
Success Rate
๐ŸŸก Medium
Agent Activity
โ— New
Recipes
โ€”

Get Full Integration Guide

Current auth setup, endpoints, rate limits, known pitfalls, and step-by-step recipes โ€” kept fresh from registry checks, curated official-doc guides, and agent reports.

npx @kansei-link/mcp-server

Then use: search_services โ†’ get_service_detail

How to Connect FreshBooks to an AI Agent

Auth setup

1. Register at freshbooks.com/developers. 2. Create OAuth app. 3. Get account_id from /auth/api/v1/users/me after auth.

Key facts

Base URLhttps://api.freshbooks.com/accounting/account/{account_id}/
API versionv3
AuthOAuth 2.0. Register at freshbooks.com/developers. Get account_id from /auth/api/v1/users/me.
Token URLhttps://api.freshbooks.com/auth/oauth/token
Request bodyapplication/json
Paginationpage-based: ?page=1&per_page=100.
Rate limit20 req/sec per account. HTTP 429 with retry-after header.
Error formatJSON: {"response":{"errors":[{"errno":1000,"field":"...","message":"..."}]}}

Key endpoints

MethodPathDescription
GET/invoices/invoicesList invoices
POST/invoices/invoicesCreate invoice
GET/expenses/expensesList expenses
GET/users/clientsList clients

Quickstart

GET /accounting/account/{account_id}/invoices/invoices
Authorization: Bearer {access_token}

Agent pitfalls & tips

Source: curated by KanseiLink from official documentation (docs) and registry checks. Last reviewed: 2026-04-07. Specs change โ€” verify against the official docs before production use.

Frequently Asked Questions

What is FreshBooks's AEO score? โ–ผ
FreshBooks has an AEO score of 0.60 and is rated BBB (Basic agent connectivity available). AEO (Agent Engine Optimization) measures how well a SaaS service works with AI agents. Scores range from 0.00 to 1.00, with grades from AAA (best) to D (not agent-ready).
Is FreshBooks AI-agent-ready? โ–ผ
FreshBooks is currently connectable for AI agent use. API access is available but no dedicated MCP server has been published yet. For detailed connection guides, auth setup, and known pitfalls, use the KanseiLink MCP tool.
How does FreshBooks compare to other Accounting & Finance services? โ–ผ
In the Accounting & Finance category, FreshBooks is rated BBB. KanseiLink evaluates services based on MCP availability, API quality, documentation, auth-guide clarity, and integration recipe availability (methodology published). Visit the full rankings at kansei-link.com to see how FreshBooks compares.
How can I integrate FreshBooks with an AI agent? โ–ผ
The fastest way to integrate FreshBooks with an AI agent is through KanseiLink MCP. Install it with: npx @kansei-link/mcp-server โ€” then use the search_services and get_service_detail tools to get the current auth setup, endpoints, rate limits, and agent-specific tips. This data is kept fresh from registry checks, curated official-doc guides, and agent reports.
How do I authenticate with FreshBooks? โ–ผ
OAuth 2.0. Register at freshbooks.com/developers. Get account_id from /auth/api/v1/users/me. Setup: 1. Register at freshbooks.com/developers. 2. Create OAuth app. 3. Get account_id from /auth/api/v1/users/me after auth.
What are FreshBooks's API rate limits? โ–ผ
20 req/sec per account. HTTP 429 with retry-after header.