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Askr is a single API for every major AI model: text, image, video, audio and more. One key, one balance, one OpenAI-compatible endpoint. You top up in crypto and pay only for what you use. No subscriptions, no lock-in.

Quickstart

Make your first request in under five minutes.

Authentication

Create a key and start calling the API.

Browse models

Hundreds of models across every modality.

Top up with crypto

USDT, BTC, ETH or SOL, held as a stable USDT balance.

Why Askr

Every model

Switch between GPT, Claude, Gemini, DeepSeek, FLUX, Nano Banana, Kling and more by changing one string.

Pay per use

A credit balance you draw down per request. Every model shows its price up front. Cancel nothing; there’s nothing to cancel.

Crypto native

Fund your balance privately with crypto. Minimal sign-up, no cards required.

OpenAI-compatible

Askr speaks the OpenAI API format. If you already have code that calls OpenAI, point it at Askr by changing the base URL and key, and everything else stays the same.
The base URL used throughout these docs is https://api.heyaskr.ai. Replace it with your own endpoint if you are self-hosting the gateway.