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Research Premarket

by Omni Terminal in Markets & finance

x402 APIPassing, checked 3 h ago

Omni Terminal returns the latest published Pre-Market Roundup by default, or an exact publication date, as bounded editorial metadata and sanitized excerpts with canonical article links for agent research and citation.

GET
https://omniterminal.app/api/x402/v1/research/premarket
Price
$0.1
per call in USDC
Uptime
100%
last 30 days
Response time
289 ms
412 ms slowest 5%
Last check
Passed
3 h ago, next any minute now

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://omniterminal.app/api/x402/v1/research/premarket

Each call costs $0.1 in USDC on Base Sepolia, 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://omniterminal.app/api/x402/v1/research/premarket?limit=1

Parameters

ParameterTypeRequiredDescription
datestringNoOptional exact publication date in YYYY-MM-DD. Omit for the latest published roundup.
limitintegerNo Default: 1.

Example response

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

Example response, 39 lines
{
  "data_as_of": "2026-08-11T11:00:12.402Z",
  "freshness": {
    "age_seconds": 48,
    "data_as_of": "2026-08-11T11:00:12.402Z",
    "max_age_seconds": 259200,
    "status": "fresh"
  },
  "generated_at": "2026-08-11T11:01:00.000Z",
  "items": [
    {
      "canonical_url": "https://omniterminal.substack.com/p/microsofts-maia-300-push-puts-lower",
      "excerpt": "A compact public excerpt from the latest published roundup, with the canonical article URL for full context.",
      "kind": "pre_market_roundup",
      "published_at": "2026-08-11T11:00:12.402Z",
      "subtitle": "OmniTerminal Pre-Market Roundup - AI capacity expansion supports equities while macro and geopolitical risks keep hedges active.",
      "title": "Microsoft's Maia 300 Push Puts Lower-Cost AI Compute in Focus",
      "topics": [
        "AI infrastructure",
        "macro"
      ],
      "word_count": 938
    }
  ],
  "product_version": "v1",
  "publication": {
    "archive_url": "https://omniterminal.substack.com/archive",
    "name": "OmniTerminal"
  },
  "schema": "premarket_roundup.v1",
  "service": "omni.premarket_roundup",
  "usage": {
    "examined_count": 1,
    "excerpt_character_limit": 1200,
    "full_article_included": false,
    "item_count": 1,
    "item_limit": 1
  }
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.1.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://omniterminal.app/api/x402/v1/research/premarket?limit=1'

# 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://omniterminal.app/api/x402/v1/research/premarket?limit=1' \
  | 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 $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
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 $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fomniterminal.app%2Fapi%2Fx402%2Fv1%2Fresearch%2Fpremarket
const res = await pay("https://omniterminal.app/api/x402/v1/research/premarket?limit=1");
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 $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://omniterminal.app/api/x402/v1/research/premarket?limit=1")
    print(res.status_code, res.text)

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