Build with the Nyx API

Every model, one key, an honest privacy label on each. OpenAI-compatible, so your existing code works unchanged.

Get started in seconds

If you've used OpenAI, Anthropic or similar APIs, you'll feel right at home.

curl https://nyxai.app/v1/chat/completions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "X-Privacy-Floor: sealed" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "llama-4-maverick",
    "messages": [{"role": "user", "content": "Hello, world!"}]
  }'

Pay per request. Deposit in dollars.

Two prompts are free every day. After that, usage is metered per token at the prices on the Models page and drawn from your balance. No plan, no minimum.

Sent SOL or USDC manually? Paste the transaction signature

Claim credits

Send SOL or USDC on Solana mainnet to , then paste the signature here. Credits go to the wallet that paid.

How billing works

• Per tokenInput and output are metered separately at the model's listed price.
• Receipt on every answerEach response carries what it cost. Nothing else is recorded: no text, no identity.