Using the API

Everything you need to send requests to the Syntic API and understand what comes back, written for people new to it. For complete field-by-field reference, see the developer docs.

Article	What it answers
Make your first API request	From key to first answer in a few minutes
Base URL and authentication	Where requests go and how keys are sent
Models and how to choose one	The Amara and Syntic Code models and plan levels
How API usage is billed	Plan allowance first, then credit
Rate limits and quotas	Request rate, size limits, token windows and spend limits
Fix a 402 error	quota_exhausted and each limit value
Fix a 429 error	Rate limiting and busy models
Common API error codes	What each status means and whether to retry
Request IDs	Finding and sharing the ID of a request