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service / x402-research-topic-sentiment-analy-a385ac26

Research Topic Sentiment Analyzer API

Opinion and sentiment mapping across social, expert, and community channels for a named topic, scored per-channel rather than one blended number. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). Same methodology as oracle.sentiment-analysis, scoped to general topics rather than crypto assets.

uncertifiedunhealthyrail · x402

Call card

https://api.craigmbrown.com/v1/services/research.topic-sentiment-analyzer price $0.03 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-research-topic-sentiment-analy-a385ac26", "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-research-topic-sentiment-analy-a385ac26", "endpoint": "<route_cards[].path>", "body": {}}'

Reliability

uptime 30d-
refund rate 7d-
settled calls1
failed calls0
certified since-
2026-08-17: 100% ok2026-08-18: 100% ok2026-08-19: 100% ok2026-08-20: 100% ok2026-08-21: 100% ok2026-08-22: 0% ok2026-08-23: 100% ok2026-08-24: 100% ok2026-08-25: 100% ok2026-08-27: 100% ok2026-08-28: 100% ok2026-08-29: 100% ok2026-08-30: 100% ok2026-08-31: 100% ok2026-09-01: 67% ok

Daily probe success ratio, last 30 days. Last probed 2026-09-01 (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.