MillionVerifier
The most comprehensive email verification service with 99%+ accuracy, the lowest prices, and a real 100% money-back guarantee for risky emails. [1]
Best for / Avoid if
Best for: Teams needing broad API coverage out of the box; Cost-sensitive teams - low, transparent entry price
Avoid if: You want to try it free before paying; You have strict compliance requirements
Scores
- 40 / 100Agent friendliness
- 85 / 100Pricing transparency
- 60 / 100Setup speed
- 15 / 100Docs quality
- 85 / 100Procurement ease
- 15 / 100Trust readiness
Pricing & procurement
- Pricing model
- Usage-based [2]
- Published pricing
- ✓ Yes [3]
- Free tier
- ✗ No [4]
- Free tier details
- 100 free credits on signup, no credit card required [5]
- Self-serve signup
- ✓ Yes [6]
- Requires sales call
- ✗ No [7]
- Enterprise plan
- ✗ No [8]
| Plan | Item | Per | Amount | Source |
|---|---|---|---|---|
| Free | 100 email verification credits | one-time | $0 | source |
| Free Trial | 500 email verification credits | one-time | $0 | source |
| Integration Trial | 10,000 email verification credits | one-time | $0 | source |
| Trial Offer | 2,000 email verification credits | one-time | $4.9 | source |
| Pay As You Go | 50,000 email verification credits | one-time | $89 | source |
| Pay As You Go | 1,000,000 email verification credits | one-time | $449 | source |
| Pay As You Go | email verification | 1 credit | $0.0018 | source |
| Welcome Promotion | bonus credits on 50,000 credit plan | one-time | 5% | source |
| Welcome Promotion | bonus credits on 100,000 credit plan | one-time | 5% | source |
| Welcome Promotion | bonus credits on 500,000 credit plan | one-time | 10% | source |
| Welcome Promotion | bonus credits on 1,000,000 credit plan | one-time | 10% | source |
| Welcome Promotion | bonus credits on 2,000,000 credit plan | one-time | 15% | source |
| Welcome Promotion | bonus credits on 3,000,000 credit plan | one-time | 15% | source |
| Welcome Promotion | bonus credits on 4,000,000 credit plan | one-time | 15% | source |
| Welcome Promotion | bonus credits on 5,000,000 credit plan | one-time | 15% | source |
| Welcome Promotion | bonus credits on 10,000,000 credit plan | one-time | 15% | source |
| Auto Top-Up | bonus credits on any payment | payment | 10% | source |
| Million Evergreen | bonus credits on 5,000,000 credit purchase | 5,000,000 credits purchased | 20% | source |
Capabilities
- Supported actions
- verify_email (single/real-time API - GET /api/v3), upload_file (bulk API - POST /bulkapi/v2/upload), get_file_info (bulk API - GET /bulkapi/v2/fileinfo), list_files (bulk API - GET /bulkapi/v2/filelist), download_report (bulk API - GET download report), stop_file_processing (bulk API - GET stop a file in progress), delete_file (bulk API - GET delete a file), get_api_credits (GET API credits) [9]
- Input types
- email address, CSV, TXT, XLSX, binary file [10]
- Output types
- JSON, CSV [11]
- Webhooks
- ✓ Yes [12]
- Sandbox / test mode
- ✓ Yes [13]
- SDK languages
- Unknown
- MCP server
- ✗ No [14]
Trust & compliance
- SOC 2
- Unknown [15]
- HIPAA
- – Unknown [16]
- GDPR
- ✓ Yes [17]
- ISO 27001
- – Unknown [18]
- PCI DSS
- – Unknown [19]
- Published SLA
- ✗ No [20]
- Rate limits
- 160 requests per second [21]
- Known restrictions
- The rate limit for single API calls is 160 requests per second, If you verify the same email address multiple times, we will deduct the credits for all of the API calls, as we cannot detect whether the email address was verified before or not, Special characters in the email address should be encoded, Timeout can be set between 2 and 60 seconds, default is 20 seconds, Bulk API file list limit parameter defaults to 50, which is also the maximum, Only pay for good and bad emails, not for risky (unknown and catch-all) emails [22]
Developer surface
Integration
- API style
- rest
- Base URL
- https://api.millionverifier.com
- Version
- 3.1.0
- Versioning
- url
- Auth methods
- api_key
- Idempotency keys
- ✗ No
- Error format
- vendor-specific
- Rate limit
- 160 / second
Other Email Verification APIs
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Hunter
A free email checker to instantly spot risky or fake email addresses. Verify emails with thorough checks: format, domain information, servers response, accept-all.
Verifalia
Email list cleaning and real-time email verification service
Clearout
Clearout is a real-time data quality engine that helps sales, marketing, customer success, product, and operations (Go-To-Market) teams maintain their contact data in a clean, accurate, and conversion-ready state.
Emailable
The most accurate email verification platform
Bouncer
Bouncer Email Verification API lets you validate email address and verify its deliverability, in the way you want.
References
- ↑Description: millionverifier.com · millionverifier.com
- ↑Pricing model: millionverifier.com
- ↑Published pricing: millionverifier.com
- ↑Free tier: millionverifier.com
- ↑Free tier details: millionverifier.com
- ↑Self-serve signup: developer.millionverifier.com · help.millionverifier.com
- ↑Requires sales call: developer.millionverifier.com
- ↑Enterprise plan: millionverifier.com
- ↑Supported actions: developer.millionverifier.com
- ↑Input types: developer.millionverifier.com
- ↑Output types: developer.millionverifier.com
- ↑Webhooks: help.millionverifier.com
- ↑Sandbox: developer.millionverifier.com
- ↑MCP server: developer.millionverifier.com · viasocket.com
- ↑SOC 2: millionverifier.com
- ↑HIPAA: millionverifier.com
- ↑GDPR: help.millionverifier.com
- ↑ISO 27001: certifiedinfosec.com
- ↑PCI DSS: millionverifier.com
- ↑Published SLA: status.millionverifier.com
- ↑Rate limits: developer.millionverifier.com
- ↑Known restrictions: developer.millionverifier.com
Change history
- 2026-06-15 Score Agent Friendliness: 20 → 40
- 2026-06-15 Robots Allows Agents: (none) → Yes
- 2026-06-15 Has Structured Data: (none) → Yes
- 2026-06-14 Score Docs Quality: 0 → 15
- 2026-06-14 Rendering: (none) → static
- 2026-06-14 Status Page URL: (none) → https://status.millionverifier.com
- 2026-06-14 Docs URL: (none) → https://developer.millionverifier.com
- 2026-06-14 Llms Txt Present: (none) → No
- 2026-06-09 Scoring Methodology: (none) → Scores are computed deterministically from this profile's published, sourced fi…
- 2026-06-09 Avoid If: (none) → You want to try it free before paying, You have strict compliance requirements
- 2026-06-09 Score Agent Friendliness: (none) → 20
- 2026-06-09 Score Pricing Transparency: (none) → 85
- 2026-06-09 Score Setup Speed: (none) → 60
- 2026-06-09 Score Docs Quality: (none) → 0
- 2026-06-09 Score Procurement Friction: (none) → 85
- 2026-06-09 Score Trust Readiness: (none) → 15
- 2026-06-09 Best For: (none) → Teams needing broad API coverage out of the box, Cost-sensitive teams - low, tr…
- 2026-06-09 Capabilities: {} → {"bulk":true,"realtime":true,"catch_all":true,"disposable":true,"role_account":…
- 2026-06-09 Starting Price Usd: 4.9 → 4.9
- 2026-06-09 Free Tier Details: set to 100 free credits on signup, no credit card required
- 2026-06-09 Self Serve Signup: set to Yes
- 2026-06-09 Requires Sales Call: set to No
- 2026-06-09 Enterprise Plan Available: set to No
- 2026-06-09 SOC 2: set to unknown
- 2026-06-09 GDPR: set to Yes
- 2026-06-09 SLA Published: set to No
- 2026-06-09 Documented Rate Limits: set to 160 requests per second
- 2026-06-09 Rate Limit Requests: set to 160
- 2026-06-09 Rate Limit Window: set to second
- 2026-06-09 Known Restrictions: set to The rate limit for single API calls is 160 requests per second, If you verify t…
- 2026-06-09 Auth Methods: set to api_key
- 2026-06-09 Auth Docs URL: set to https://developer.millionverifier.com/
- 2026-06-09 API Style: set to rest
- 2026-06-09 Base URL: set to https://api.millionverifier.com
- 2026-06-09 API Version: set to 3.1.0
- 2026-06-09 Versioning Scheme: set to url
- 2026-06-09 Quickstart URL: set to https://help.millionverifier.com/email-verification-api/real-time-api
- 2026-06-09 Idempotency Supported: set to No
- 2026-06-09 Error Format: set to vendor-specific
- 2026-06-09 Requires Verification: set to No
- 2026-06-09 Starting Price Usd: set to 4.9
- 2026-06-09 Price Basis: set to 2,000 credits
- 2026-06-09 Slug: set to millionverifier
- 2026-06-09 Notable Customers: set to (none)
- 2026-06-09 Fields Not Found: set to hipaa, pci_dss, ga_date, launched_at, stability
- 2026-06-09 Source Confidence: set to high
- 2026-06-09 Extractor: set to parallel:ultra
- 2026-06-09 Last Verified At: set to 2026-06-06T00:00:00.000Z
- 2026-06-09 Status: set to published
- 2026-06-09 Free Tier Limit: set to 100 credits
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