service / x402-sentiment-ddd9d0f8
Sentiment Scoring For Caller Provided Text API
Sentiment scoring for caller-provided text: positive/neutral/negative with confidence. Batch up to 16 texts per call. Model: twitter-roberta-base-sentiment. Always-on, verified onchain settlement.
uncertifiedrail · x402
Call card
https://srv1553682.hstgr.cloud/nlp/api/sentiment
price $0.0035 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-sentiment-ddd9d0f8", "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-sentiment-ddd9d0f8", "endpoint": "<route_cards[].path>", "body": {}}'
Reliability
uptime 30d-
refund rate 7d-
settled calls0
failed calls0
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-08-26.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.