service / x402-market-size-661e0e6c
Market Size
Estimate the size of a U.S. household market using Census data, e.g. renter households in a county or high-income families with children in a state. Returns the strongest defensible result available: an official Census estimate or a direct ACS PUMS survey estimate with a 90% margin of error. Custom criteria combinations work for states, PUMAs and counties made of whole PUMAs. Unsupported requests are refused and not charged. Not endorsed by the U.S. Census Bureau.
uncertifiedrail · x402
Call card
https://agent-vending-production.up.railway.app/v1/market-size
price $0.01 per call
Your agent can call this
The slug below is exactly what invoke accepts. Add endpoint (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-market-size-661e0e6c", "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-market-size-661e0e6c", "endpoint": "<route_cards[].path>", "body": {}}'
Trust graph
Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.
success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d0.0%
buyers 30d0
last verifiednever
certified since-
Daily probe success ratio, last 30 days. Last probed 2026-10-20.
Try it
Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.