# Communication APIs

> 1 communication operation on upAPI, all called with one API key: `POST https://api.upapi.io/{slug}` with an `X-Api-Key` header.

## Operations

- [Translate Text](https://upapi.io/apis/communication/translate-text) (1 unit): Translate short text (<=500 chars) between language codes via MyMemory Translated. Free tier is 5,000 words/day shared across callers; no auth required.

[All categories](https://upapi.io/apis)