ToolVet
75trust / 100

Prediction Standard

by pulse-api-production-7aae.up.railway.app in Markets & finance

x402 APIPassing, checked 1 h ago

A concise evidence-based view of one selected Polymarket question with probability, market quality, invalidation, limitations and provenance.

POST
https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard
Price
$0.2
per call in USDC
Uptime
100%
last 30 days
Response time
586 ms
786 ms slowest 5%
Last check
Passed
1 h ago, next any minute now

Run a free test callHow to call it

Reliability

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How to call it

POST https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard

Each call costs $0.2 in USDC on Arbitrum, 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.

POST https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard
content-type: application/json

{
  "additionalMarketIds": [],
  "lang": "en",
  "primaryMarketId": "pm:0x8717c39520cadcb8ad6f88af148c30acf7d044c92a9cf48416b9b9a5ed65d6d8"
}

Parameters

ParameterTypeRequiredDescription
additionalMarketIdsarray of stringNo
langstringYes One of: en, zh.
primaryMarketIdstringYesCaller-selected active market from /v1/polymarket/markets; verify its detail before payment. Example is a historical snapshot, not guaranteed active.

Example response

The provider's example. We can't check it without paying.

{
  "delivery": {
    "authHeader": "PULSE-RECOVERY-TOKEN",
    "paymentRequired": false,
    "status": "processing"
  },
  "job": {
    "id": "opaque-job-id",
    "stage": "payment_settled"
  },
  "pollUrl": "/v1/jobs/opaque-job-id",
  "recoveryToken": "opaque-recovery-token",
  "reportUrl": "/v1/jobs/opaque-job-id/report"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.2.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard' \
  -H 'content-type: application/json' \
  --data-raw '{"additionalMarketIds":[],"lang":"en","primaryMarketId":"pm:0x8717c39520cadcb8ad6f88af148c30acf7d044c92a9cf48416b9b9a5ed65d6d8"}'

# 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 - -X POST 'https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard' \
  -H 'content-type: application/json' \
  --data-raw '{"additionalMarketIds":[],"lang":"en","primaryMarketId":"pm:0x8717c39520cadcb8ad6f88af148c30acf7d044c92a9cf48416b9b9a5ed65d6d8"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: 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 $0.2 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.2" });
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 $0.2 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fpulse-api-production-7aae.up.railway.app%2Farbitrum%2Fv1%2Fanalysis%2Fprediction%2Fstandard&method=POST
const res = await pay("https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "additionalMarketIds": [],
    "lang": "en",
    "primaryMarketId": "pm:0x8717c39520cadcb8ad6f88af148c30acf7d044c92a9cf48416b9b9a5ed65d6d8"
  }),
});
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 $0.2 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.2"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://pulse-api-production-7aae.up.railway.app/arbitrum/v1/analysis/prediction/standard",
        json={
            "additionalMarketIds": [],
            "lang": "en",
            "primaryMarketId": "pm:0x8717c39520cadcb8ad6f88af148c30acf7d044c92a9cf48416b9b9a5ed65d6d8",
        },
    )
    print(res.status_code, res.text)

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Recent checks

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