---
seo_title: API Reference: Errors, Limits, Formats | EnConvert
meta_desc: Lookup tables for the EnConvert API: error codes, monthly ops quotas and request rate limits, and the full list of supported input and output formats.
keywords: enconvert api reference, api error codes list, api rate limits and quotas, supported file formats api, api lookup tables, conversion api limits
---

# Reference

Values you look up rather than read end to end. Three pages, each one a table worth keeping open in a tab while you write the integration.

## The three pages

**[Errors](/docs/reference/errors.md)** lists every HTTP status the API returns, the exact message strings behind each one, and the six shapes an error body can take.

**[Rate limits and quotas](/docs/reference/rate-limits.md)** covers what counts as one operation, the monthly allowance and upload ceiling on each plan, and the response you get when you cross a limit.

**[Supported formats](/docs/reference/supported-formats.md)** lists every extension accepted as input and every format produced, family by family, plus how the API decides what a file is.

## Not in these three

Per-route parameters and response bodies live under [Endpoints](/docs/endpoints.md), and every input-to-output pair with its endpoint path is in the [conversion matrix](/docs/endpoints/convert/matrix.md). Uploads, webhooks and batches are in [Guides](/docs/guides.md).