Movers Delta
by x402-factory in Markets & finance
Only the materially-moved markets changed since your cursor (delta of /v1/movers — Keyset delta of /v1/movers: pass since=<next_cursor from your last call> and get only the materially-moved markets added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/movers/changes for counts and pay only…
GET https://x402-factory.com/v1/movers/delta
Last 30 days
Status and outage history · Atom feed
- Uptime
- 100%
- Response time
- 383 ms typical, 502 ms slowest 5%
- Last check
- 2 h ago
- Next check
- any minute now
How to call it
GET https://x402-factory.com/v1/movers/delta
Each call costs $0.01 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
GET https://x402-factory.com/v1/movers/deltaParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
since | string | No | Opaque cursor from a previous next_cursor; omit once to bootstrap a cursor at now |
Example response
The provider's example. We can't check it without paying.
{
"data": {
"as_of": "2026-07-18T12:00:00.000Z",
"changed_count": 0,
"next_cursor": "djF8MjAyNi0wNy0xOFQxMjowMDowMC4wMDBafA",
"rows": []
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/probability.movers.delta",
"endpoint": "/v1/movers/delta",
"freshness": "realtime",
"generated_at": "2026-10-05T10:15:57.979Z",
"request_id": "req_00000000",
"sources": [
"kalshi",
"polymarket"
],
"version": "1.0.0"
}
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402-factory.com/v1/movers/delta'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://x402-factory.com/v1/movers/delta' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-factory.com%2Fv1%2Fmovers%2Fdelta
const res = await pay("https://x402-factory.com/v1/movers/delta");
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.get("https://x402-factory.com/v1/movers/delta")
print(res.status_code, res.text)Security scan
- No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 129 ms | $0.01 |
| 7 h ago | Passed | 402 | 417 ms | $0.01 |
| 11 h ago | Passed | 402 | 430 ms | $0.01 |
| 15 h ago | Passed | 402 | 389 ms | $0.01 |
| 19 h ago | Passed | 402 | 383 ms | $0.01 |
| 23 h ago | Passed | 402 | 378 ms | $0.01 |
| 26 h ago | Passed | 402 | 126 ms | $0.01 |
| 30 h ago | Passed | 402 | 375 ms | $0.01 |
| 34 h ago | Passed | 402 | 380 ms | $0.01 |
| 38 h ago | Passed | 402 | 379 ms | $0.01 |
| 41 h ago | Passed | 402 | 429 ms | $0.01 |
| 45 h ago | Passed | 402 | 126 ms | $0.01 |
| 2 days ago | Passed | 402 | 120 ms | $0.01 |
| 2 days ago | Passed | 402 | 383 ms | $0.01 |
| 2 days ago | Passed | 402 | 410 ms | $0.01 |