service / x402-build-1b38f18d
Tollbooth
Non-custodial swap execution for AI agents on 8 chains: Solana (Jupiter) plus Base, Ethereum, Arbitrum, Polygon, Optimism, BSC and Avalanche (0x). Pay a small toll to get an unsigned, fee-inclusive swap transaction and an HMAC-signed receipt for auditing. Comparison-shop first with free indicative quotes at GET /v1/quote (same parameters, no taker required). You sign and submit with your own wallet - Tollbooth never touches keys or funds.
uncertifiedrail · x402
Call card
https://api.tollboothswap.xyz/v1/swap/build
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-build-1b38f18d", "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-build-1b38f18d", "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.