API & Developers
Build custom integrations, automate workflows, and extend FRITH with the REST API and webhooks.
The FRITH REST API provides programmatic access to matters, contacts, time entries, invoices, documents, tasks, and organisation data. All requests are scoped to the organisation associated with your API key. Select an article below for detailed documentation.
Developer Guides
โ 6 guidesAuthentication
Generate API keys, use Bearer token authentication, understand permission levels, and rotate keys securely.
Rate Limits
Understand rate limit tiers, read rate limit response headers, and implement exponential backoff retry logic.
REST Endpoints
Full endpoint reference โ matters, contacts, time entries, invoices, documents, tasks, and organisation.
Webhooks
Configure webhook endpoints, verify signatures, handle 15 event types, and understand retry behaviour.
SDKs & Client Libraries
Install and use the official Node.js, Python, Ruby, and PHP SDKs. Community libraries and examples.
Error Handling
HTTP status codes, error response format, retryable vs non-retryable errors, and production monitoring.
# Quickstart โ include in every request:
Authorization: Bearer frth_live_xxxxxxxxxxxxxxxxxxxxxxxx
GET https://getfrith.com/api/v1/matters?limit=20&page=1
Need help with your integration? Our team is here.