service / x402-knowledge-search-d182db9c

Knowledge Search API

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, and source information.

uncertifiedunhealthyrail · x402

Call card

https://x402.orthogonal.com/tako/v1/knowledge_search price $0.023 per call

Your agent can call this

The slug below is exactly what invoke accepts. Addendpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "x402-knowledge-search-d182db9c", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "x402-knowledge-search-d182db9c", "endpoint": "<route_cards[].path>", "body": {}}'

Reliability

uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
2026-08-17: 0% ok2026-08-18: 0% ok2026-08-19: 0% ok2026-08-20: 0% ok2026-08-21: 0% ok2026-08-22: 0% ok2026-08-23: 0% ok2026-08-24: 0% ok2026-08-25: 0% ok

Daily probe success ratio, last 30 days. Last probed 2026-08-25 (last probe failed).

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.