Sparkle pricing: email verification API, POST /
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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe haven't run Sparkle 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: Free one of Sparkle's 5 plans
- FreeFree$0.00 per 1,000
- $29 monthly, StarterStarter$15.467 per 1,000
- $59 monthly, BusinessBusiness$3.147 per 1,000
- $290 yearly, StarterStarter$12.889 per 1,000
- $590 yearly, BusinessBusiness$2.622 per 1,000
Call:
POST / one of Sparkle's 8 callsPOST /Free$0.00 per 1,000email-verifier/ bulk/ catchall POST /Free$0.00 per 1,000email-verifier/ bulk/ clever POST /Free$0.00 per 1,000email-verifier/ bulk/ quick POST /Free$0.00 per 1,000email-verifier/ bulk/ thorough POST /Free$0.00 per 1,000email-verifier/ single/ catchall POST /Free$0.00 per 1,000email-verifier/ single/ clever POST /Free$0.00 per 1,000email-verifier/ single/ quick POST /Free$0.00 per 1,000email-verifier/ single/ thorough
API: Email verification API Sparkle's only API
About this item
- Live. Sparkle checks the email when you call the API.
- 2 of the 6 key fields we check. Address, Deliverability.
- Nothing to pay. You get 200 credits a day, enough for 25 calls.
- One call. You send
emailtoPOST /. The call returns whether the address takes mail.email-verifier/ single/ clever - Anyone can get it. Keep data: no limit. Use data: with conditions.
Sparkle: email verification API alternatives
Sparkle alternatives: every email verification API provider ranked
The table starts with Sparkle's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to Sparkle's. Each plan in the table gives live data.
| Sparkle, $590 yearly, Business, POST /email-verifier/single/clever | Qualisend, $263 monthly, Pro, 100,000 credits a month, POST /verify/bulk | mailfloss, $329 monthly, Business 125,000 credits/month, POST /v1/batch-verify | Easy Email Verification, $660 pack, Pay-as-you-go, 250,000 emails, POST /bulk/upload | QuickEmailVerification, $660 pack, Persistent Credits, 250,000 credits, GET /v1/verify | |
|---|---|---|---|---|---|
| $ per 1,000 emails | $2.622 | $2.63 | $2.632 | $2.64 | $2.64 |
| Completeness | 33% | 50% | 50% | 50% | 50% |
| Billing | yearly | monthly | monthly | pay first | pay first |
| Pay | $590 | $263 | $329 | $660 | $660 |
| Enough for | 225,000 calls a year | 100,000 results a month | 125,000 results a month | 250,000 results | 250,000 calls |
| Freshness | live | live | live | live | live |
| Who can get it | anyone | anyone aged 18 or over | anyone of the legal age of majority, for their own internal business use, with a supported email service provider | anyone legally capable of entering into the Terms under Brazilian law | anyone with a work email |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.
- developer.sparkle.io
- developer.sparkle.io/api/collections/33653829/2sAY546e2E?segregateAuth=true&versionTag=latest
- sparkle.io/api-terms
- sparkle.io/data-license
- sparkle.io/email-verifier
- sparkle.io/pricing
- sparkle.io/product/email-verifier/our-numbers
- support.sparkle.io/en/articles/10382958-sparkle-io-s-verification-accuracy-quick-thorough-catch-all-and-clever-mode-explained
- support.sparkle.io/en/articles/10383000-how-do-sparkles-work-in-sparkle-io
- support.sparkle.io/en/articles/10897114-getting-started-with-sparkle-io-s-email-verification-api
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 | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | from the same budget: Single Verify - Quick · Single Verify - Thorough · Single Verify - Catchall · Bulk Quick Verify · Bulk thorough Verify · Bulk catchall Verify · Bulk Clever Verify |
|---|
| $ per 1,000 | $0.00 |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | This API provides real-time email address validation and verification to ensure that an email address is correctly formatted, valid, and deliverable. Use this service to improve email delivery rates, reduce bounce rates, and maintain the cleanliness of your email lists. |
|---|
| Freshness | live |
|---|---|
| What it checks | format, mail servers, disposable domains, role addresses, mailbox |
| Keep data | no limit |
| Use data | A limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the API solely for the purpose of integrating with and using the Platform's features in connection with the User's account [...] The User shall NOT use the API to: (a) Build a competing product or service that replicates the core functionality of Sparkle.io, (b) Scrape, harvest, or systematically extract data from the Platform beyond what is necessary for the User's authorized use, (c) Resell, sublicense, or redistribute API access to third parties without Sparkle Technologies LLC's prior written consent, [...] (f) Use the API in any manner that violates the Anti-Spam & Email Acceptable Use Policy, Data License & Contribution Agreement, or any other incorporated policy, [...] All data accessed, transmitted, or processed via the API is subject to the Sparkle.io Terms and Conditions, Data License & Contribution Agreement, and Privacy Policy, The User shall not use the API to access, store, or process personal data in violation of any applicable data protection law [...] the User grants Sparkle Technologies LLC a worldwide, non-exclusive, royalty-free, fully paid-up, perpetual, irrevocable, sub-licensable, and transferable license to use, reproduce, modify, adapt, process, aggregate, analyze, distribute, commercialize, and create derivative works from such User Data [...] To license, sell, distribute, or otherwise make available aggregated, enriched, or derived datasets to third parties [...] There is no opt-out mechanism for data contribution |
| Pay | $0 |
|---|---|
| You get | 200 credits a day |
| Enough for | 25 calls a day |
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | |
|---|---|
| Method | POST |
| Path | /email-verifier/single/clever |
| Plan | Free |
|---|---|
| Who can get it | anyone |
The 23 fields the plan's answer can hold
error, status code, message, email address, verification error, result, result message, sub-status, valid syntax, disposable, valid domain, catch-all, role address, valid SMTP, valid email, tarpitting, greylisted, safe to send, deliverable, can connect SMTP, parked domain, free email account, MX record