OneSimpleAPI pricing: email verification API
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17% complete: 1 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run OneSimpleAPI through our email verification API benchmark yet.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 (/
Plan: Trial one of OneSimpleAPI's 4 plans
- FreeTrial$0.00 per 1,000
- $35 monthlyEssential$1.75 per 1,000
- $99 monthlyAdvanced$0.66 per 1,000
- $499 monthlyBusiness$0.499 per 1,000
Call:
GET / OneSimpleAPI's only callAPI: Email verification API OneSimpleAPI's only API
About this item
- Freshness. We don't know how fresh this plan's data is.
- 1 of the 6 key fields we check. Deliverability.
- Nothing to pay. You get 100 requests once. Calls stop once your requests run out. Requests never expire.
- One call. You send
emailtoGET /. You can also sendapi/ email output. The call returns whether the address takes mail. - Who can get it: anyone above the age of 18. Keep data: no limit. Use data: with conditions.
OneSimpleAPI: email verification API alternatives
OneSimpleAPI alternatives: every email verification API provider ranked
The table starts with OneSimpleAPI's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to OneSimpleAPI's.
| OneSimpleAPI, $499 monthly | Bounceless, $499 monthly, Scale: 1,000,000 credits per month, POST /v1/requests, Create a batch (emails) | MailTester, $499 pack | Icypeas, $499 monthly, Hypergrowth, 100,000 credits a month, POST /bulk-search | VeriMails, $499 pack, 1,000,000 credits, POST /api/verify/single | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $0.499 | $0.499 | $0.499 | $0.499 | $0.499 |
| Completeness | 17% | 50% | 50% | 33% | 67% |
| Billing | monthly | monthly | pay first | monthly | pay first |
| Pay | $499 | $499 | $499 | $499 | $499 |
| Enough for | 1,000,000 calls a month | 1,000,000 results a month | 1,000,000 calls | 1,000,000 results a month | 1,000,000 calls |
| Freshness | unknown | live | live | unknown | live |
| Who can get it | anyone above the age of 18 | business customers outside the European Economic Area and the UK | anyone | business use only (strictly B2B), over the age of 13 | 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 2026-11-05.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Address, not in the answer
- 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 | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | from the same budget: Cache for APIs · Color and color palette generator · Exchange Rate · Expand Shortened URL · Image Information · Image manager · PDF · PDF Signing · Purchase Power Parity Discount Calculator · QR Codes · Readability, Reading Time and Sentiment for Texts · Screenshot · Spotify Profiles · URL Shortener · Web Page Information · Web Page Status |
|---|
| Units cap | hard |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | With OneSimpleApi.com you can verify and validate emails before they start moving through your workflow, ensuring that you have only real high-value users. |
|---|
| What it checks | format, mail servers, disposable domains, role addresses |
|---|---|
| Keep data | no limit |
| Use data | Content found on or through this Service are the property of OneSimpleApi or used with permission. You may not distribute, modify, transmit, reuse, download, repost, copy, or use said Content, whether in whole or in part, for commercial purposes or for personal gain, without express advance written permission from us. |
| Pay | $0 |
|---|---|
| You get | 100 requests |
| Enough for | 100 calls, once |
| Expires | never |
| Per second | 0.0056 |
|---|---|
| Batch | 1 |
| Answer | in the call |
|---|
| You send | email. Optional: output |
|---|---|
| Method | GET |
| Path | /api/email |
| Plan | Trial |
|---|---|
| Who can get it | anyone above the age of 18 |
The 10 fields the plan's answer can hold
valid format, valid domain, valid MX records, free, disposable, role, canonical, deliverability, safe to register as user, time taken