service / x402-kh78v795xtd79bzbvrb7m84re18b8t-cc2605c6

X402 API

Effective round-trip execution cost for a tokenized stock right now: best executable buy vs best executable sell price for a small reference clip across all venues, and the resulting effective spread %, modeled with pool fee + constant-product impact. Send { ticker, clipUsd?, feePct? }. The cost-to-trade snapshot for execution agents.

uncertifiedunhealthyrail · x402

Call card

https://payanagent.com/x402/kh78v795xtd79bzbvrb7m84re18b8tcw price $0.005 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-kh78v795xtd79bzbvrb7m84re18b8t-cc2605c6", "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-kh78v795xtd79bzbvrb7m84re18b8t-cc2605c6", "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 (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.