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x402.orthogonal.com v1 knowledge_search
https://x402.orthogonal.com/tako/v1/knowledge_search
answers 402
Search for data visualizations using natural language. Ask any question about finance, economics, demographics, sports, politics, climate, or health and get back interactive knowledge cards with charts, data, and source attribution. Example: {"inputs": {"text": "NVIDIA vs AMD revenue since 2018"}}. Returns cards with title, chart image URL, interactive webpage URL, embeddable URL, data description
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x8e4A08ac4A195FA8BFd9d4573D4859A9C9882145
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 179 ms
- Payment options
- 3 usable of 3
- Last checked
- 2026-08-15T14:40:20.736Z (3d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.orthogonal.com%2Ftako%2Fv1%2Fknowledge_search"