the402 endpoint detail

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modelprices.xyz ai-model-pricing

https://modelprices.xyz/ai-model-pricing

answers 402

AI model pricing comparison table: what every AI model costs right now — GPT-5, GPT-4o, Claude 5, Claude Sonnet, Gemini 3 Pro, Llama 4, DeepSeek V4, Grok 4 and 2,000+ more. One normalized dataset of LLM token cost and inference pricing across OpenAI, Anthropic, Google and 70+ providers, refreshed hourly. Compare models by price, rank by cost, pick the cheapest model for any workload.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x63a20fa244d3E6a8902121E99704b7F857dc6EBB
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
737 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:28:02.098Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fmodelprices.xyz%2Fai-model-pricing"