Free samples · no wallet needed

See the output.
Then pay per call.

Each free sample is real output from the route on a fixed input, cached for a few minutes. The paid route takes your own input and costs a fraction of a cent to a few cents in USDC on Base.

Sample inputurl=https://example.com (fixed)

FreshnessCached sample, refreshed at most every 5 minutes. The paid route always runs live on your input.

Paid route/api/fetch at $0.02 per call

Recorded sample · undefined · HTTP undefinedRaw JSON

Same thing from your terminal

curl https://horizonpulse.dev/api/demo/fetch

Paid call, your own input (returns 402 with the price)

curl -i 'https://horizonpulse.dev/api/fetch'

Ready to pay per call? See the quickstart for the x402 client that handles the 402 and retry for you.

See the output.Then pay per call.

See the output.
Then pay per call.