uChecker pricing: email verification API, POST / api/ v1/ validate/ bulk
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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsIn our email verification API benchmark, the best plan from uChecker scores 55.0 out of 100. uChecker ranks 46th of 181 providers.This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.Disify's $9 monthly plan (/ email) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.MailTester Ninja, Enrich.so and GetProspect are the best email verification API providers in the Datacircle benchmark.
Plan: First 100 addresses free one of uChecker's 11 plans
- Free, First 100 addresses freeFirst 100 addresses free$0.00 per 1,000
- ₽200 pack, 1,000 addresses1,000 addresses$2.388 per 1,000
- ₽1,000 pack, 5,000 addresses5,000 addresses$2.388 per 1,000
- ₽2,000 pack, 10,000 addresses10,000 addresses$2.388 per 1,000
- ₽3,750 pack, 25,000 addresses25,000 addresses$1.791 per 1,000
- ₽7,500 pack, 50,000 addresses50,000 addresses$1.791 per 1,000
- ₽15,000 pack, 100,000 addresses100,000 addresses$1.791 per 1,000
- ₽16,000 pack, 200,000 addresses200,000 addresses$0.955 per 1,000
- ₽25,000 pack, 500,000 addresses500,000 addresses$0.597 per 1,000
- ₽37,500 pack, 750,000 addresses750,000 addresses$0.597 per 1,000
- ₽50,000 pack, 1,000,000 addresses1,000,000 addresses$0.597 per 1,000
Call:
POST / api/ v1/ validate/ bulk one of uChecker's 2 callsPOST /Free, First 100 addresses free$0.00 per 1,000api/ v1/ validate/ bulk POST /Free, First 100 addresses free$0.00 per 1,000api/ v1/ validate/ single
API: Email verification API uChecker's only API
About this item
- Live. uChecker checks the email when you call the API.
- 2 of the 6 key fields we check. Address, Deliverability.
- Nothing to pay. You get 100 credits once, enough for 100 results. Calls stop once your credits run out. Credits never expire.
- One call. You send
emailstoPOST /. You can also sendapi/ v1/ validate/ bulk webhook_,url idempotency_andkey client_. The call returns a job. You fetch the answer once the job is done. Or the provider sends the answer to your webhook.type - Anyone can get it. Keep data: no limit. Use data: with conditions.
uChecker: email verification API alternatives
uChecker alternatives: every email verification API provider ranked
The table starts with uChecker's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to uChecker's. Each plan in the table gives live data.
| uChecker, ₽25,000 pack, 500,000 addresses, POST /api/v1/validate/bulk | KaijuVerifier, $149 monthly, Scale, POST /api/v1/verify-single, Verify a single email with the SMTP probe (authenticated) | DeBounce, $1,196 monthly, 2M credits, Monthly, GET /v1/, Single email validation | Bouncify, $299 monthly | Invalid Bounce, $299 pack | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $0.597 | $0.596 | $0.598 | $0.598 | $0.598 |
| Completeness | 33% | 50% | 50% | 50% | 17% |
| Billing | pay first | monthly | monthly | monthly | pay first |
| Pay | ₽25,000 | $149 | $1,196 | $299 | $299 |
| Enough for | 500,000 results | 250,000 calls a month | 2,000,000 calls a month | 500,000 calls a month | 500,000 results |
| Freshness | live | live | live | live | live |
| Who can get it | anyone | anyone | anyone over 18 | anyone outside Europe and India (its prices are set by region: the dollar ones are for the United States and the rest of the world) | anyone |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Address
- Deliverability
- Confidence, not in the answer
- Name, not in the answer
- Place, not in the answer
- Company, not in the answer
| $ per 1,000 emails | $0.00 |
|---|---|
| Per | result |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | from the same budget: Verify a single address |
|---|
| Units cap | hard |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | uChecker checks whether a mailbox actually exists, working down through DNS/MX records, an SMTP connection and provider-specific behaviour. Every address gets one of three values: good if it accepts mail, bad if it does not, or unknown if it could not be determined. |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, mailbox |
| Keep data | no limit |
| Use data | The user agrees not to use the Service for sending spam, unlawful mailings, or any other actions contrary to applicable law (Terms of Service, 4), «Пользователю запрещается копировать, распространять, перепродавать, передавать третьим лицам или иным образом использовать материалы Сервиса без разрешения правообладателя» (User Agreement, 5.2) |
| Pay | ₽0 |
|---|---|
| You get | 100 credits |
| Enough for | 100 results, once |
| Expires | never |
| Concurrent | no limit |
|---|---|
| Batch | 9,000,000 |
| Answer | by polling or webhook |
|---|
| You send | emails. Optional: webhook_url, idempotency_key, client_type |
|---|---|
| Method | POST |
| Path | /api/v1/validate/bulk |
| Plan | First 100 addresses free |
|---|---|
| Who can get it | anyone |
The 3 fields the plan's answer can hold
email address, status, server response