Preview employee search results with summary data. Pass filters in the request body. Returns matching professionals with key fields: id, full_name, headline, location, company, title, and relevance score. Use the 'id' field with the 'Base Employee Collect by ID' endpoint to get full profiles.
Endpoint
POST https://x402.orthogonal.com/coresignal/v2/employee_base/search/filter/preview
9calls / 30dmeasured by x402.new
2paying wallets / 30dmeasured by x402.new
—uptime / 24hmeasured by x402-list.com
—compliance grademeasured by x402-list.com
Listed in 2 directories: bazaar, x402-new. First seen 5 Sept 2026.
Call this service
The endpoint answers an unpaid request with an HTTP 402 and a payment challenge. @x402/fetch signs it, pays in USDC, and retries — you get the result back in one call.
TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, account);
const res = await pay("https://x402.orthogonal.com/coresignal/v2/employee_base/search/filter/preview", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({ /* see the 402 challenge for the shape */ }),
});
console.log(await res.json());
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BaseAI & inference
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Orthogonal · Validate Phone Single
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Validates a phone number and returns whether it's valid, reachable, carrier info, and caller name.
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Orthogonal · People Match
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BaseData & enrichment
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Orthogonal · Mixed Companies Search
x402.orthogonal.com
Search Apollo database for companies matching filters. Returns up to 100 results per page.
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Orthogonal · Phone Intelligence
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Get detailed intelligence about a phone number including carrier, line type, location, risk score, and breach data.
BaseEverything else
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Orthogonal · Tomba Email Finder
x402.orthogonal.com
Find the most likely email address from a domain name, first name, and last name.
BaseData & enrichment
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Uptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new. AMNT indexes this endpoint and does not host, operate or vouch for it.
BaseAI & inference