# verifications.email, free, Free, POST /api/v1/verify/async/upload: Email validation API > One API call runs 28 checks on any address in under a second, so invalid, disposable, and risky emails never make it onto your list. verifications.email's email validation API on its Free plan, $0.00 per 1,000 emails. 3 of the 6 key fields: Address, Its check, Confidence. - This page: https://datacircle.dev/validate-email-apis/verifications-email/free-free-post-api-v1-verify-async-upload - Get it: https://verifications.email/pricing - Its API docs: https://developer.verifications.email/reference#tag/bulk-jobs/POST/api/v1/verify/async/upload - Sold by: verifications.email (https://verifications.email) - Checked: 2026-10-21 ## In the answer - Completeness: 50% - Address: ✓ - Its check: ✓ - Confidence: ✓ ## Price - $ per 1,000: $0.00 - Billing: free ## Aggregators - Aggregators: none ## Charges - Per: result - Also pays for: from the same budget: Verify a single email address · Verify a batch of emails · Grade a domain's deliverability ## Not found - $ per 1,000: $0.00 ## Catch-all - $ per 1,000: $0.00 ## In their words - Their pitch: One API call runs 28 checks on any address in under a second, so invalid, disposable, and risky emails never make it onto your list. ## Data - Freshness: live - Keep data: no limit - Use data: You agree that you will not: Use the Service to create, clean, or facilitate lists for unsolicited bulk email (spam) or any sending that violates applicable law, including CAN-SPAM, GDPR, and the ePrivacy rules. Submit purchased, rented, scraped, or harvested email lists. Submit any address you do not have a lawful basis to process. [...] Resell, redistribute, or publish raw verification results as a data product or database. Reverse engineer the Service, probe its verification infrastructure, or use the Service to build a competing email verification product. Circumvent rate limits, quotas, or security controls, or use the Service in any unlawful way. ## Plan - Pay: $0 - You get: 300 credits - Enough for: 300 results, once - Expires: 300 checks for the life of the account ## Rate limit - Concurrent: 3 - Batch: 300 ## Speed - Answer: by polling or webhook ## The call - You send: file. Optional: webhook_url - Method: POST - Path: /api/v1/verify/async/upload ## About the plan - Plan: Free - Who can get it: anyone, the 300 free checks once per device ## The 28 fields the plan's answer can hold email address, score, risk, reason, SMTP check, syntax valid, MX found, disposable, role account, catch-all, free provider, B2B domain, spam trap risk, suggested correction, SMTP provider, disabled mailbox, full inbox, locked account, sub-addressing, sub-address base, has Gravatar, security gateway detected, security gateway, response latency, deliverability grade, deliverability score, domain age days, domain age risk level ## verifications.email's plans (13) - [verifications.email, free, Free, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/free-free-post-api-v1-verify-async-upload/llms.txt): $0.00 per 1,000, 50% complete, live - [verifications.email, $12 pack, 10,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/12-pack-10000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $30 pack, 25,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/30-pack-25000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $60 pack, 50,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/60-pack-50000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $120 pack, 100,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/120-pack-100000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $300 pack, 250,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/300-pack-250000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $600 pack, 500,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/600-pack-500000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $1,200 pack, 1,000,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/1200-pack-1000000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $2,400 pack, 2,000,000 credits, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/2400-pack-2000000-credits-post-api-v1-verify-async-upload/llms.txt): $1.20 per 1,000, 50% complete, live - [verifications.email, $20 monthly, Starter, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/20-monthly-starter-post-api-v1-verify-async-upload/llms.txt): $1.00 per 1,000, 50% complete, live - [verifications.email, $50 monthly, Pro, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/50-monthly-pro-post-api-v1-verify-async-upload/llms.txt): $1.00 per 1,000, 50% complete, live - [verifications.email, $150 monthly, Business, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/150-monthly-business-post-api-v1-verify-async-upload/llms.txt): $1.00 per 1,000, 50% complete, live - [verifications.email, contact us, Enterprise, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/contact-us-enterprise-post-api-v1-verify-async-upload/llms.txt): 50% complete, live ## verifications.email's calls (3) - `POST /api/v1/verify/async/upload`: [verifications.email, free, Free, POST /api/v1/verify/async/upload](https://datacircle.dev/validate-email-apis/verifications-email/free-free-post-api-v1-verify-async-upload/llms.txt) - `POST /api/v1/verify/batch`: [verifications.email, free, Free, POST /api/v1/verify/batch](https://datacircle.dev/validate-email-apis/verifications-email/free-free-post-api-v1-verify-batch/llms.txt) - `POST /api/v1/verify`: [verifications.email, free, Free, POST /api/v1/verify](https://datacircle.dev/validate-email-apis/verifications-email/free-free-post-api-v1-verify/llms.txt) ## Similar plans of other providers - [VeriMails, free, Free, POST /api/verify/single](https://datacircle.dev/validate-email-apis/verimails/free-free-post-api-verify-single/llms.txt): $0.00 per 1,000, 67% complete, live - [VerifySwift, free, 20 daily credits](https://datacircle.dev/validate-email-apis/verifyswift/free-20-daily-credits/llms.txt): $0.00 per 1,000, 50% complete, live - [Verimail, free](https://datacircle.dev/validate-email-apis/verimail/free/llms.txt): $0.00 per 1,000, 50% complete, live - [Verifly, free, 100 credits, POST /verify/bulk](https://datacircle.dev/validate-email-apis/verifly/free-100-credits-post-verify-bulk/llms.txt): $0.00 per 1,000, 33% complete, live ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-21. - https://developer.verifications.email/ - https://developer.verifications.email/docs/openapi.yaml - https://developer.verifications.email/reference - https://verifications.email - https://verifications.email/faq - https://verifications.email/pricing - https://verifications.email/terms