$0.002
per call · USD Coin on Base
Walks the events you pass through the ordered steps you name and reports per step: how many arrived, conversion from the previous step and from the first, drop-off in users and as a rate, and time to the next step as median, p90 and mean. A step counts only if it happened after the one before and inside the window. Where events carry a segment, each is tested against the largest with the same two-proportion test the A/B endpoint uses. Nothing is stored.
Endpoint
POST https://tools.halowerk.com/v1/funnel/analyze1
Calls / 30d
1
Unique payers / 30d
Aug 19
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://tools.halowerk.com/v1/funnel/analyze", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"events": [
{
"segment": "eu",
"step": "view",
"time_unix_s": 1786000000,
"user_id": "u1"
},
{
"segment": "eu",
"step": "cart",
"time_unix_s": 1786000120,
"user_id": "u1"
},
{
"segment": "eu",
"step": "checkout",
"time_unix_s": 1786000420,
"user_id": "u1"
},
{
"segment": "eu",
"step": "purchase",
"time_unix_s": 1786000900,
"user_id": "u1"
},
{
"segment": "us",
"step": "view",
"time_unix_s": 1786000010,
"user_id": "u2"
},
{
"segment": "us",
"step": "cart",
"time_unix_s": 1786000200,
"user_id": "u2"
},
{
"segment": "us",
"step": "view",
"time_unix_s": 1786000020,
"user_id": "u3"
}
],
"steps": [
"view",
"cart",
"checkout",
"purchase"
],
"window_s": 604800
}),
});
const data = await res.json();curl -X POST \
"https://tools.halowerk.com/v1/funnel/analyze" \
-H "Content-Type: application/json" \
-d '{"events":[{"segment":"eu","step":"view","time_unix_s":1786000000,"user_id":"u1"},{"segment":"eu","step":"cart","time_unix_s":1786000120,"user_id":"u1"},{"segment":"eu","step":"checkout","time_unix_s":1786000420,"user_id":"u1"},{"segment":"eu","step":"purchase","time_unix_s":1786000900,"user_id":"u1"},{"segment":"us","step":"view","time_unix_s":1786000010,"user_id":"u2"},{"segment":"us","step":"cart","time_unix_s":1786000200,"user_id":"u2"},{"segment":"us","step":"view","time_unix_s":1786000020,"user_id":"u3"}],"steps":["view","cart","checkout","purchase"],"window_s":604800}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"biggest_drop_off": {
"drop_off": 1,
"drop_off_rate": 0.5,
"index": 2,
"step": "checkout"
},
"confidence_level": 0.95,
"event_count": 7,
"events_outside_funnel": 0,
"funnel": [
{
"conversion_from_first": 1,
"conversion_from_previous": 1,
"drop_off": 0,
"drop_off_rate": 0,
"index": 0,
"reached": 3,
"step": "view",
"time_to_next_s": {
"mean": 155,
"median": 155,
"p90": 187,
"sample": 2
}
},
{
"conversion_from_first": 0.666667,
"conversion_from_previous": 0.666667,
"drop_off": 1,
"drop_off_rate": 0.333333,
"index": 1,
"reached": 2,
"step": "cart",
"time_to_next_s": {
"mean": 300,
"median": 300,
"p90": 300,
"sample": 1
}
},
{
"conversion_from_first": 0.333333,
"conversion_from_previous": 0.5,
"drop_off": 1,
"drop_off_rate": 0.5,
"index": 2,
"reached": 1,
"step": "checkout",
"time_to_next_s": {
"mean": 480,
"median": 480,
"p90": 480,
"sample": 1
}
},
{
"conversion_from_first": 0.333333,
"conversion_from_previous": 1,
"drop_off": 0,
"drop_off_rate": 0,
"index": 3,
"reached": 1,
"step": "purchase",
"time_to_next_s": null
}
],
"overall_conversion_rate": 0.333333,
"segment_comparisons": [
{
"absolute_difference": 1,
"alpha": 0.05,
"baseline_rate": 0,
"baseline_segment": "us",
"note": null,
"p_value": 0.0832645167,
"rate": 1,
"segment": "eu",
"significant": false,
"z": 1.732051
}
],
"segments": [
{
"conversion_rate": 0,
"segment": "us",
"steps": [
{
"index": 0,
"reached": 2,
"step": "view"
}
],
"users_completed": 0,
"users_entered": 2
},
{
"conversion_rate": 1,
"segment": "eu",
"steps": [
{
"index": 0,
"reached": 1,
"step": "view"
}
],
"users_completed": 1,
"users_entered": 1
}
],
"stateless": true,
"steps": [
"view",
"cart",
"checkout",
"purchase"
],
"strict_order": true,
"users_completed": 1,
"users_entered": 3,
"window_s": 604800
}Payment details
0x2880edfff13100677bf97a3cbdf3bc34771c4e5eUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
Pin it to the top of Developer Tools and the homepage with a featured placement.
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