{"uid":"cap_6DCayTHpQUN7YJI04iupX","slug":"hunter-domain-search-via-locus-x402-f69d9d22","name":"Hunter Domain Search via Locus x402","description":"Locus public pay-per-use API","url":"https://hunter.x402.paywithlocus.com/hunter/domain-search","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"type":{"type":"string"},"limit":{"type":"number"},"domain":{"type":"string"},"offset":{"type":"number"},"company":{"type":"string"},"seniority":{"type":"string"},"department":{"type":"string"},"required_field":{"type":"string"},"verification_status":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{},"payment":{"scheme":"exact","settledUsdc":"0.001000","authorizedMaxUsdc":"0.001000"},"request":{"id":"00000000-0000-4000-8000-000000000000","statusUrl":"/requests/00000000-0000-4000-8000-000000000000"},"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.023","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":2,"rating":{"score":"0.83","successRate":"1.00","reviews":2,"stars":"4.3","state":"rated"},"availabilityStatus":"healthy","priceObserved":{"p10Cents":"1.1000","medianCents":"2.3000","p90Cents":"14.3001","minCents":"1.1000","maxCents":"14.3001","p95Cents":"14.3001","sampleCount":9,"varies":true,"failureChargeRate":null},"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01–$0.14/call (observed)","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.013","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fwuT-ggpWHu1EGmvArEbC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.013","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches a company domain or name to return a list of professional email addresses with filtering by department, seniority, type, and verification status.","exampleAgentPrompt":"Search Hunter for up to 20 verified email addresses at stripe.com, filtering for senior people in the finance department only.","exampleUseCases":[{"title":"B2B sales prospecting at target accounts","prompt":"Find up to 15 email addresses from the sales department at hubspot.com — only senior or executive level, and only return ones with a valid verification status."},{"title":"PR outreach to communications team","prompt":"I need to reach the communications and marketing teams at nytimes.com — can you pull up to 10 emails from those departments, preferably personal ones if possible?"},{"title":"Recruiting outreach to HR contacts","prompt":"Look up HR department emails at microsoft.com — I want up to 20 results, any seniority level, and filter out invalid or unknown verification statuses."}],"resultDescription":"Returns a JSON object containing a list of email address records associated with the queried domain or company, each including the email address, first/last name, position, department, seniority level, and email verification status. Also includes pagination metadata and payment settlement details confirming the USDC charge.","failureModes":["Domain not found or no emails indexed — returns empty data array","Invalid filter values (e.g. unrecognized department or seniority string) — may return empty results or validation error","Payment failure via x402 — request not processed, no data returned","Rate limiting or quota exceeded — HTTP 429 or equivalent error","Company name ambiguous — may return emails for wrong company if domain not specified"],"whenToPreferThis":"Choose this endpoint when you need to discover multiple professional email addresses across an entire company domain in a single call, with rich filtering by department, seniority, and verification status. Prefer this over single email lookup endpoints when building prospect lists or doing bulk outreach prep. The Hunter.io data source is especially strong for B2B domains with known web presence. Best when you have the domain name rather than individual names.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":21,"lastUsedAt":"2026-09-14T21:09:07.443Z","lastSuccessfullyRanAt":"2026-09-14T21:09:03.006Z","lastHealthCheckAt":"2026-09-15T00:42:00.192Z","isFirstParty":false}