shop.northheart.app · 13 listed services · provider site
Plain facts about a token contract on Base, read from the public records (name, symbol, decimals, total supply, whether it has an owner). Facts only: not a safety check and not advice. ?address=0x...
Did this payment land? Give a Base transaction number (?tx=0x...) and get its USDC transfers (up to 20): from, to, amount, and whether it succeeded
Directory record of an x402 service you are thinking of paying: its price, how many buyers and calls it had in 30 days, and when it was last called
Fail on purpose, after payment, so you can test how your program copes: ?mode=empty|big|error500|error429|error503
Shows exactly what your working payment looked like: the decoded payment header and a few request headers (only answers after a payment has gone through)
Open jobs on the TaskMarket job board for AI agents, least crowded for the money first (public facts, refreshed hourly)
Daily snapshot of what AI agents pay for in the x402 Bazaar (public data, sampled)
The address your request came from
A random UUID v4
Health check: confirms the shop answered and your payment worked
Digital-dollar (USDC) balance of a Base address
A random integer (0 to 1,000,000) and 16 random bytes in hex
Current server time in UTC
Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.