LiteAI
Anthropic API key in 30 seconds · Pay with USDT crypto

Buy a Claude AI API
key from anywhere

Direct access to Claude Opus 4.8, Sonnet 4.6 and Haiku 4.5. Pay per token with USDT, no subscription, no bank cards, no KYC. The same key works with Claude Code, Cursor, opencode and any OpenAI-compatible SDK.

Buy Claude tokensOpen chatGet an API key
99.9% Uptime
<200ms latency
No rate limits

Claude API tokens from $1 per 1M

One flat price for every kind of token — input and output. No subscription, no rate limits.

Instant start

Get an API key in 30 seconds. No waiting for approval, no paperwork.

Stable speed

Low latency worldwide. Servers in the EU, US and Asia.

Transparent pricing

You only pay for tokens. No hidden fees, no overage charges.

How to get an Anthropic API key

Three simple steps — from payment to your first request in a minute

01

Pay with USDT

Pick a package from 5M to 100M tokens and pay with USDT via Bitbanker

02

Copy your sk-bf-... key

A key in the sk-bf-... format works with both the Anthropic SDK and OpenAI SDK

03

Send your first request

Claude Code, Cursor, opencode, Cline — anything works

chat.liteai.tech

How to use Anthropic models in the chat

Three steps from opening the chat to getting answers from Claude Opus 4.8, Sonnet 4.6 or Haiku 4.5 right in your browser

01

Buy Claude tokens

Pick a package from 1M to 100M tokens and pay with USDT — enter your email at checkout

02

Open the email with your login and password

The login is your email, the password has the format XXXX-XXXX-XXXX and arrives within 30 seconds

03

Sign in at chat.liteai.tech

Open the chat in any browser, log in with the credentials from the email and pick a Claude model — Opus 4.8, Sonnet 4.6 or Haiku 4.5

Open chatRead more about LiteAI Chat

All Claude models with one API key

Opus 4.8 for hard problems, Sonnet 4.6 for code, Haiku 4.5 for speed — flat prices from $1 per 1M tokens

Claude Opus 4.8

Most powerful
claude-sonnet-4-8

Claude Sonnet 4.6

Balanced
claude-sonnet-4-6

Claude Opus 4.8 (Long)

1M context
claude-sonnet-4-6-1m

Claude Haiku 4.5

Fastest
claude-haiku-4-5

Claude fable-5

Reasoning flagship
fable-5

Anthropic API key for Claude Code and Cursor

Connect to Claude in a minute. One key works with the official Anthropic SDK, OpenAI-compatible clients, Claude Code, Cursor, opencode, Zed, Cline and Kilo Code.

Anthropic SDK (anthropic-python) works out of the box
SSE streaming on every Claude model
Per-key usage stats and balance in your personal dashboard
Anthropic API integration docs
bash
curl https://api.liteai.tech/v1/chat/completions \
  -H "Authorization: Bearer sk-bf-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "messages": [{"role": "user", "content": "Hello!"}],
    "max_tokens": 1024
  }'

Buy Claude tokens and start building

An Anthropic API key with any Claude model — in 30 seconds, with no foreign card

Buy Claude tokens