# Prime Verifier, free, POST /v1/finder/batch: Email finder API > Find the most likely deliverable address for a person at a company domain, one at a time, as a batch, or as a background job. You are charged only when a usable address is returned. Prime Verifier's email finder API on its Free plan. It costs $0.00 per 1,000 emails. It returns none of the 10 key fields we check: Verification, Confidence, Catch-all domain, Where found and 6 more. We haven't run Prime Verifier through [our email finder API benchmark](https://datacircle.dev/best-email-finder-api.txt) yet. This plan is free. We rank 1,584 plans for email finder APIs by price. Half the plans cost $20.00 per 1,000 emails or less. [ClearBounce's $3.20 monthly plan](https://datacircle.dev/find-email-apis/clearbounce/3-20-monthly/llms.txt) costs the least per 1,000 emails: as little as $0.00074. ClearBounce's $3.20 monthly plan covers up to 4,320,000 emails a month at no extra cost. [ClearBounce's $4 pack](https://datacircle.dev/find-email-apis/clearbounce/4-pack/llms.txt) covers any number of emails. ClearBounce's $4 pack costs more up front than ClearBounce's $3.20 monthly plan. [DiscoLike](https://datacircle.dev/find-email-apis/discolike/399-monthly-team-post-email-find/llms.txt), [GetProspect](https://datacircle.dev/find-email-apis/getprospect/399-monthly-growth-50k-post-v2-email-find/llms.txt) and [Icypeas](https://datacircle.dev/find-email-apis/icypeas/499-monthly-hypergrowth-100000-credits-a-month-post-email-search/llms.txt) are the best email finder API providers in the Datacircle benchmark. - This page: https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder-batch - [Email finder API: the best of 80+ providers compared](https://datacircle.dev/best-email-finder-api.txt) - Get it: https://primeverifier.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - Request: `POST https://api.primeverifier.com/v1/finder/batch` - API key: with the plan, on https://primeverifier.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - Its API docs: https://developers.primeverifier.com/finder?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing#post-v1-finder-batch - Sold by: Prime Verifier (https://primeverifier.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing) - Checked: 2026-11-05 ## In the answer - Completeness: 0% ## Price - $ per 1,000 emails: $0.00 - Per: result - Billing: free ## Strengths - Strengths: found live ## Aggregators - Aggregators: none ## Overage - Units cap: hard ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Find the most likely deliverable address for a person at a company domain, one at a time, as a batch, or as a background job. You are charged only when a usable address is returned. ## Data - Freshness: live - What it checks: mailbox - Keep data: no limit - Use data: We grant you a limited, non-exclusive, non-transferable, revocable right to use the Services during your subscription, for your own business use, subject to these Terms. You agree to use the Services lawfully and only with email data you have the right to process. You must not: Submit data you obtained unlawfully, or data you have no lawful basis to verify. Use the Services to support spam, phishing, fraud, harassment, or any deceptive or unlawful sending practice. Verify lists for the purpose of sending unsolicited bulk email in violation of anti-spam laws such as the CAN-SPAM Act, GDPR, CASL, or any other applicable law. Resell, sublicense, or expose the Services to third parties as your own without our written permission. Reverse engineer, scrape, copy, or attempt to derive the source code or underlying logic of the Services, except to the extent the law expressly permits. Probe, scan, overload, or interfere with the Services or the infrastructure behind them, or bypass any rate limit, quota, or security control. Use the Services to build a competing product or to benchmark them for a competitor without our consent. ## Plan - Pay: $0 - You get: 100 credits - Enough for: 10 results, once - Expires: never ## Rate limit - Per second: 160 - Batch: 100 ## Speed - Answer: in the call ## The call - You send: nothing required. Optional: contacts[].firstName, contacts[].lastName, contacts[].domain - Method: POST - Path: /v1/finder/batch ## About the plan - Plan: Free - Who can get it: anyone 18 or older able to form a binding contract ## The only field the plan's answer can hold email ## Prime Verifier's plans (16) - [Prime Verifier, free, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder-batch/llms.txt): $0.00 per 1,000, 0% complete, live - [Prime Verifier, $15 pack, Pay-As-You-Go 5,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/15-pack-pay-as-you-go-5000-credits-post-v1-finder-batch/llms.txt): $30.00 per 1,000, 0% complete, live - [Prime Verifier, $75 pack, Pay-As-You-Go 50,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/75-pack-pay-as-you-go-50000-credits-post-v1-finder-batch/llms.txt): $15.00 per 1,000, 0% complete, live - [Prime Verifier, $120 pack, Pay-As-You-Go 100,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/120-pack-pay-as-you-go-100000-credits-post-v1-finder-batch/llms.txt): $12.00 per 1,000, 0% complete, live - [Prime Verifier, $200 pack, Pay-As-You-Go 200,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/200-pack-pay-as-you-go-200000-credits-post-v1-finder-batch/llms.txt): $10.00 per 1,000, 0% complete, live - [Prime Verifier, $400 pack, Pay-As-You-Go 500,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/400-pack-pay-as-you-go-500000-credits-post-v1-finder-batch/llms.txt): $8.00 per 1,000, 0% complete, live - [Prime Verifier, $650 pack, Pay-As-You-Go 1,000,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/650-pack-pay-as-you-go-1000000-credits-post-v1-finder-batch/llms.txt): $6.50 per 1,000, 0% complete, live - [Prime Verifier, $1,100 pack, Pay-As-You-Go 2,000,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/1100-pack-pay-as-you-go-2000000-credits-post-v1-finder-batch/llms.txt): $5.50 per 1,000, 0% complete, live - [Prime Verifier, $13.80 monthly, Monthly 5,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/13-80-monthly-monthly-5000-credits-post-v1-finder-batch/llms.txt): $27.60 per 1,000, 0% complete, live - [Prime Verifier, $69 monthly, Monthly 50,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/69-monthly-monthly-50000-credits-post-v1-finder-batch/llms.txt): $13.80 per 1,000, 0% complete, live - [Prime Verifier, $110.40 monthly, Monthly 100,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/110-40-monthly-monthly-100000-credits-post-v1-finder-batch/llms.txt): $11.04 per 1,000, 0% complete, live - [Prime Verifier, $184 monthly, Monthly 200,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/184-monthly-monthly-200000-credits-post-v1-finder-batch/llms.txt): $9.20 per 1,000, 0% complete, live - [Prime Verifier, $368 monthly, Monthly 500,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/368-monthly-monthly-500000-credits-post-v1-finder-batch/llms.txt): $7.36 per 1,000, 0% complete, live - [Prime Verifier, $598 monthly, Monthly 1,000,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/598-monthly-monthly-1000000-credits-post-v1-finder-batch/llms.txt): $5.98 per 1,000, 0% complete, live - [Prime Verifier, $1,012 monthly, Monthly 2,000,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/1012-monthly-monthly-2000000-credits-post-v1-finder-batch/llms.txt): $5.06 per 1,000, 0% complete, live - [Prime Verifier, contact us, Custom, over 2,000,000 credits, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/contact-us-custom-over-2000000-credits-post-v1-finder-batch/llms.txt): 0% complete, live ## Prime Verifier's calls for this API (3) - `POST /v1/finder/jobs`: [Prime Verifier, free, POST /v1/finder/jobs](https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder-jobs/llms.txt) - `POST /v1/finder/batch`: [Prime Verifier, free, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder-batch/llms.txt) - `POST /v1/finder`: [Prime Verifier, free, POST /v1/finder](https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder/llms.txt) ## Prime Verifier's APIs (2) - [Prime Verifier: email finder API pricing, 16 plans, POST /v1/finder/batch](https://datacircle.dev/find-email-apis/prime-verifier/free-post-v1-finder-batch/llms.txt) - [Prime Verifier: email verification API pricing, 16 plans, POST /v1/jobs](https://datacircle.dev/validate-email-apis/prime-verifier/free-post-v1-jobs/llms.txt) - [Prime Verifier: email verification API pricing, 16 plans, POST /v1/verify/single](https://datacircle.dev/validate-email-apis/prime-verifier/free-post-v1-verify-single/llms.txt) - [Prime Verifier: email verification API pricing, 16 plans, POST /v1/verify/batch](https://datacircle.dev/validate-email-apis/prime-verifier/free-post-v1-verify-batch/llms.txt) ## Prime Verifier: email finder API alternatives - [Sealch, $25 monthly](https://datacircle.dev/find-email-apis/sealch/25-monthly/llms.txt): $5.00 per 1,000, 20% complete, live - [VeriMails, $1,500 yearly, Scale, POST /api/find-email](https://datacircle.dev/find-email-apis/verimails/1500-yearly-scale-post-api-find-email/llms.txt): $5.00 per 1,000, 10% complete, live - [Rafal Sav on Apify, $19 monthly](https://datacircle.dev/find-email-apis/rafal-sav-on-apify/19-monthly/llms.txt): $5.00 per 1,000, 40% complete, live - [Clearout, $1,260 monthly](https://datacircle.dev/find-email-apis/clearout/1260-monthly/llms.txt): $5.04 per 1,000, 30% 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 2026-11-05. - https://api.primeverifier.com/swagger/v1/swagger.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://developers.primeverifier.com/credits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://developers.primeverifier.com/finder?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://developers.primeverifier.com/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://primeverifier.com/email-verification-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://primeverifier.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing - https://primeverifier.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-finder-api-pricing