x402.ottoai.services llm-research

https://x402.ottoai.services/llm-research

answers 402

Instant AI research on any topic powered by Gemini 3.5 Flash with live Google Search grounding — answers come with cited sources. Ask about science, tech, crypto, history, or anything else. Can analyze images and summarize webpages from URLs. Max 180 character prompts. $0.10 per query.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.

Price: $0.10
Network: base
Pay to: 0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808
Spec dialect: v2 (declares x402Version 2)
Transport: PAYMENT-REQUIRED header
HTTP method: POST
Response latency: 324 ms
Payment options: 5 usable of 5
Last checked: 2026-08-15T14:26:06.728Z (5d ago)
Category: search

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.ottoai.services%2Fllm-research"