{"slug":"agent-data-centorprat-workers-dev-tools-saas-stack-email-pro-172d31","title":"From a company domain or work email, names its email provider (Microsoft 365, Go","host":"agent-data.centorprat.workers.dev","method":"POST","resource":"https://agent-data.centorprat.workers.dev/tools/saas-stack-email-provider-detector","category":"company","description":"From a company domain or work email, names its email provider (Microsoft 365, Google Workspace), security gateway, MS tenant, DMARC, sending tools, SSO and the SaaS it verified (Atlassian, Okta, Zoom, OpenAI...) - all from public DNS. Up to 3 items per call; failed lookups are not charged.","price_listed":0.01,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":3,"reported_payers_30d":2,"networks":["eip155:137","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"domains":["stripe.com"]},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"domains":{"description":"Company domains or websites, e.g. [\"stripe.com\", \"atlassian.com\"].","items":{"type":"string"},"maxItems":3,"type":"array"},"emailProvider":{"description":"microsoft = Microsoft 365 (incl. via GoDaddy), google = Google Workspace, other = neither, any = no filter.","enum":["any","microsoft","google","other"],"type":"string"},"emails":{"description":"Lead or contact emails, e.g. [\"jane@acme.com\"]. The company domain is taken from each address; free-mail addresses (gmail.com, outlook.com, yahoo.com...) are skipped for free.","items":{"type":"string"},"maxItems":3,"type":"array"},"excludeVendors":{"description":"e.g. your own product, to keep only prospects.","items":{"type":"string"},"maxItems":3,"type":"array"},"includeSubdomains":{"description":"Return each vendor-hosted subdomain with its CNAME (help, status, careers, go, login, www...). Turn off for smaller rows.","type":"boolean"},"requireVendors":{"description":"e.g. [\"Okta\"], [\"Proofpoint\", \"Mimecast\"], [\"HubSpot\"], [\"Greenhouse\"]. Case-insensitive.","items":{"type":"string"},"maxItems":3,"type":"array"}},"required":[]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"From a company domain or work email, names its email provider (Microsoft 365, Google Workspace), security gateway, MS tenant, DMARC, sending tools, SSO and the SaaS it verified (Atlassian, Okta, Zoom, OpenAI...) - all from public DNS. Up to 3 items per call; failed lookups are not charged.","last_updated":"2026-10-23T13:46:23.735Z","schemes":["exact"]}