No KYC Required

Pay for AI APIs with Crypto

Access Claude, GPT-4, Gemini, Mistral and more — pay with Bitcoin, Ethereum, USDC, and 200+ cryptocurrencies. Change one line of code, keep your existing SDK.

AnthropicOpenAIGoogle

How It Works

From crypto to AI in 3 simple steps

1

Deposit Crypto

Send BTC, ETH, USDC, or any of 200+ supported cryptocurrencies. Credits appear in minutes.

2

Get Your API Key

Generate a universal API key that works with every supported AI model.

3

Use Any Model

Call Claude, GPT-4, Gemini, and more with a single key. Just change the base_url.

One Line Change

Switch from OpenAI to PayNoFiat in seconds

Before (OpenAI direct)
from openai import OpenAI

client = OpenAI(
    api_key="sk-xxx..."
)

response = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Hello!"}]
)
After (PayNoFiat)
from openai import OpenAI

client = OpenAI(
    api_key="pnf_live_xxx..."  # changed
    base_url="https://paynofiat.com/api/v1"  # added
)

response = client.chat.completions.create(
    model="claude-sonnet-4-20250514"  # any model!,
    messages=[{"role": "user", "content": "Hello!"}]
)

Every Major AI Model

Access the best models from every provider through one unified API

anthropicVision

Claude Sonnet 4

Input$0.003/1K tokens
Output$0.015/1K tokens
Context200K
anthropicVision

Claude Opus 4

Input$0.015/1K tokens
Output$0.075/1K tokens
Context200K
anthropicVision

Claude Haiku 4

Input$0.0008/1K tokens
Output$0.004/1K tokens
Context200K
openaiVision

GPT-4o

Input$0.0025/1K tokens
Output$0.01/1K tokens
Context128K
openaiVision

GPT-4o Mini

Input$0.00015/1K tokens
Output$0.0006/1K tokens
Context128K
openaiVision

GPT-4.1

Input$0.002/1K tokens
Output$0.008/1K tokens
Context1048K
googleVision

Gemini 2.5 Pro

Input$0.00125/1K tokens
Output$0.01/1K tokens
Context1049K
googleVision

Gemini 2.5 Flash

Input$0.00015/1K tokens
Output$0.0006/1K tokens
Context1049K

200+ Cryptocurrencies Accepted

Pay with any major cryptocurrency — from Bitcoin to stablecoins

BTCBitcoinETHEthereumUSDCUSD Coin(ERC-20)USDTTether(TRC-20)SOLSolanaPOLPolygonBNBBNB(BSC)DOGEDogecoinLTCLitecoinXRPRippleADACardanoAVAXAvalanche(C-Chain)DOTPolkadotTRXTRONNEARNEAR Protocol+185 more...

Transparent Pricing

Pay only for what you use. No subscriptions. No hidden fees.

2.5% deposit fee
Small markup on API usage
No minimum deposit
Model Pricing (per 1K tokens)
ModelProviderInputOutputContext
Claude Sonnet 4anthropic$0.003$0.015200K
Claude Opus 4anthropic$0.015$0.075200K
Claude Haiku 4anthropic$0.0008$0.004200K
GPT-4oopenai$0.0025$0.01128K
GPT-4o Miniopenai$0.00015$0.0006128K
GPT-4.1openai$0.002$0.0081048K
Gemini 2.5 Progoogle$0.00125$0.011049K
Gemini 2.5 Flashgoogle$0.00015$0.00061049K

Prices shown include our 15% markup. Provider base prices may vary.

Frequently Asked Questions

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