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Documentation
API OverviewAuthenticationQuotas & Rate LimitsGraphQL Queries (Read)GraphQL Mutations (Write)Webhooks (Outbound)Code ExamplesERP & System Integration Guide
Documentation
API & GraphQL

API & GraphQL

Build integrations with REST, GraphQL queries and mutations

8 articles
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1

API Overview

One integration surface: GraphQL โ€” endpoint, authentication, daily quotas, and what an API key actually reaches

4 min read
2

Authentication

JWT for user sessions, API keys for integrations

4 min read
3

Quotas & Rate Limits

Daily caps per tier, with X-RateLimit-* headers

3 min read
4

GraphQL Queries (Read)

Fetch data with type-safe GraphQL queries

5 min read
5

GraphQL Mutations (Write)

Create, update and delete records via GraphQL

6 min read
6

Webhooks (Outbound)

Push FreeMaint events into your own systems in real time

4 min read
7

Code Examples

curl, JavaScript and Python snippets

6 min read
8

ERP & System Integration Guide

Scope an integration before you build it: what the API reaches, what it does not, and where the boundaries are

9 min read
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