{ "openapi": "3.0.1", "info": { "title": "Bulk Email Verifier — Gmail, Outlook & Business Validation", "description": "Verify email lists at scale. Get honest valid/invalid verdicts for Gmail, Google Workspace, Microsoft 365, Outlook and business domains. 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Paste up to hundreds of thousands of addresses.", "items": { "type": "string" } }, "emailsUrl": { "title": "Emails from URL (optional)", "type": "string", "description": "Public URL of a plain-text or CSV file with one email per line. Merged with the list above." }, "speed": { "title": "Speed vs depth", "enum": [ "fast", "balanced", "deep" ], "type": "string", "description": "fast = DNS + provider checks only (fastest). balanced = adds SMTP and catch-all detection. deep = same checks, lower concurrency for strict mail servers.", "default": "balanced" }, "maxConcurrency": { "title": "Max concurrent domains", "minimum": 0, "maximum": 400, "type": "integer", "description": "0 = use the speed preset. Each domain uses a single mail-server session, so this is the real parallelism.", "default": 0 }, "enableSmtp": { "title": "Enable SMTP mailbox check", "type": "boolean", "description": "Try a real RCPT TO check on port 25. Automatically skipped when the host blocks port 25.", "default": true }, "enableMicrosoftCheck": { "title": "Enable Microsoft 365 mailbox check", "type": "boolean", "description": "Verify Microsoft 365 / Outlook mailboxes over HTTPS - works even without SMTP access.", "default": true }, "detectCatchAll": { "title": "Detect catch-all domains", "type": "boolean", "description": "Probe a random address per domain to detect accept-all mail servers. Requires SMTP access.", "default": true }, "disposableVerdict": { "title": "Verdict for disposable domains", "enum": [ "invalid", "risky" ], "type": "string", "description": "How throwaway/disposable domains should be labelled in the results.", "default": "invalid" }, "heloName": { "title": "SMTP HELO hostname", "type": "string", "description": "Hostname announced in EHLO/HELO. Use a real fully-qualified hostname you control for best acceptance.", "default": "verifier.local" }, "mailFrom": { "title": "SMTP MAIL FROM address", "type": "string", "description": "Envelope sender used in MAIL FROM. Leave empty (default) to use the null sender <>, which the widest range of mail servers accept for probing. If you set an address, use a domain you own with valid SPF — otherwise many servers reject the probe and results degrade to \"unknown\"." }, "perEmailTimeoutMs": { "title": "Per-email timeout (ms)", "minimum": 3000, "maximum": 60000, "type": "integer", "description": "Hard deadline for a single address. When it elapses the address is reported as unknown instead of stalling the batch.", "default": 12000 }, "smtpProxyUrl": { "title": "SMTP proxy URL (optional)", "type": "string", "description": "Optional SOCKS5 or HTTP proxy that allows outbound TCP port 25, e.g. socks5://user:pass@host:1080. Most cloud hosts (including Apify) block port 25, so without such a proxy the run uses DNS/provider-level checks only. When supplied, real SMTP RCPT TO probing is used and results become mailbox-accurate." }, "googleBrowserProbe": { "title": "Verify Google mailboxes via the sign-in page", "type": "boolean", "description": "Ask Google's own sign-in page whether a gmail.com / Google Workspace mailbox exists. Requires residentialProxies - datacenter IPs are rejected by Google. Measured 30/30 correct on real + control addresses. Off by default.", "default": false }, "residentialProxies": { "title": "Residential proxies (for the Google probe)", "type": "array", "description": "HTTP(S) or SOCKS5 residential/ISP proxies, e.g. http://user:pass@host:port. Rotated round-robin, each with an hourly quota and a 30-minute cooldown after repeated blocks." }, "googleProbeConcurrency": { "title": "Parallel Google browser probes", "minimum": 1, "maximum": 32, "type": "integer", "description": "How many headed browsers run at once. One browser per proxy; keep this low to stay under Google's radar.", "default": 2 }, "googleProbeMaxPerProxyPerHour": { "title": "Google probes per proxy per hour", "minimum": 1, "maximum": 600, "type": "integer", "description": "Hourly quota per proxy. Exceeded proxies are skipped rather than burnt.", "default": 60 } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } } } } } } } } }