ApiOne pricing: email verification API
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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 emailsWe haven't run ApiOne through our email verification API benchmark yet.This plan is free. We rank 3,960 plans for email verification APIs by price. Half the plans cost $1.998 per 1,000 emails or less. See the best free email verification API plan.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.pingutil, MailTester Ninja and Giggal are the best email verification API providers in the Datacircle benchmark.
Plan: Free one of ApiOne's 4 plans
- FreeFree$0.00 per 1,000
- $49 monthlyStarter$9.80 per 1,000
- $149 monthlyGrowth$5.96 per 1,000
- $499 monthlyScale$4.99 per 1,000
Call:
POST / emails/ verify ApiOne's only call for this APIAPI: Email verification API one of ApiOne's 8 APIs
- Company discovery API
- Company enrichment API
- Company open jobs API
- Tech stack API
- Email verification API
- Email finder API
- People search API
- People enrichment API
About this item
- Live. ApiOne checks the email when you call the API.
- 2 of the 6 fields on our checklist. Deliverability, Confidence.
- Nothing to pay. You get 100 credits a month, enough for 100 calls. Calls stop once your credits run out. Credits are reset monthly, credits cannot be accumulated.
- One call. You send
emailtoPOST /. The call returns whether the address takes mail.emails/ verify - Anyone can get it. Keep data: no limit. Use data: with conditions.
ApiOne: email verification API alternatives
ApiOne alternatives: other email verification API providers by price
The table starts with ApiOne's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to ApiOne's. Each plan in the table gives live data.
| ApiOne, $499 monthly | Verifalia, $49.90 pack | Scrupp, $499 monthly | EnvoAPI, $749 pack, Scale top-up, GET /v1/emails/verify | Email Verifier API, $49.95 pack | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $4.99 | $4.99 | $4.99 | $4.993 | $4.995 |
| Completeness | 33% | 67% | 33% | 50% | 50% |
| Billing | monthly | pay first | monthly | pay first | pay first |
| Pay | $499 | $49.90 | $499 | $749 | $49.95 |
| Enough for | 100,000 calls a month | 10,000 results | 100,000 calls a month | 150,000 calls | 10,000 calls |
| Freshness | live | live | live | live | live |
| Who can get it | anyone | anyone | anyone at least 18 years old | subscribers to a paid plan: anyone, for lawful, professional B2B purposes, not in a sanctioned jurisdiction or on a restricted-party list | anyone 18 or over |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.
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
- 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: Company enrichment · Company search · People enrichment · People search · Email finder · Tech stack detection · Business signals · Hiring signals · Arabic/English name matching · Company name normalization · Signal Watch |
|---|
| Units cap | hard |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Check an email address before you send: syntax, domain mail servers, mailbox reachability, catch-all, disposable and role addresses, with a recommended action. |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, disposable domains, role addresses, mailbox |
| Keep data | no limit |
| Use data | Permitted use: Enriching company records in your CRM, sales tools, or internal databases. Finding and verifying professional email addresses for legitimate business outreach. Detecting the technology stack of companies you are targeting for sales or partnership. Identifying hiring and growth signals to prioritise outreach. Building internal sales, recruiting, or GTM tools for your organisation. Integrating ApiOne data into your own SaaS product to enrich your customers' records. Academic or market research using aggregated, anonymised outputs. Prohibited use: Reselling raw data: You may not resell, license, or distribute raw API responses as a standalone data product or data feed to third parties. Competitive use: You may not use ApiOne to build a competing B2B data enrichment API or data provider service. Reverse engineering: You may not attempt to extract, reverse-engineer, or reconstruct our underlying data sources or AI models. Spam: You may not use email addresses returned by ApiOne for bulk unsolicited spam campaigns. All outreach must comply with CAN-SPAM, GDPR, and applicable local law. Illegal targeting: You may not use ApiOne to identify, profile, or contact individuals for discriminatory, harassing, or unlawful purposes. Key sharing: You may not share your API key with users or organisations outside your company. Automation abuse: You may not use automated scripts to deliberately exceed your plan's rate limits or probe system limits. Account circumvention: You may not register multiple free accounts to bypass credit limits. |
| Pay | $0 |
|---|---|
| You get | 100 credits a month |
| Enough for | 100 calls a month |
| Expires | reset monthly, credits cannot be accumulated |
| Per second | 0.5 |
|---|---|
| Concurrent | 1 |
| Batch | 1 |
| Answer | in the call |
|---|
| You send | |
|---|---|
| Method | POST |
| Path | /emails/verify |
| Plan | Free |
|---|---|
| Who can get it | anyone |
The 10 fields the plan's answer can hold
syntax valid, deliverable, reachability, catch-all, mailbox exists, role address, disposable, free provider, confidence score, recommended action