Datacircle

CrowdSpark pricing: email verification API, POST /v1/email/check/batch

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17% complete: 1 of the 6 fields on our checklistSee the 6 fields
$0.60per 1,000 emailsWe haven't run CrowdSpark through our email verification API benchmark yet.We rank 4,337 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 82% of the 4,337 plans.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. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.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, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest CrowdSpark plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call CrowdSpark's only plan
Call: POST /v1/email/check/batch one of CrowdSpark's 3 calls for this API
API: Email verification API one of CrowdSpark's 4 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 6 fields on our checklist. Deliverability.
  • Nothing to buy first. You pay per call.
  • One call. You send emails to POST /v1/email/check/batch. The call returns whether each address you send takes mail.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

CrowdSpark: email verification API alternatives

CrowdSpark alternatives: other email verification API providers by price

We list other providers' plans closest to this plan in price per 1,000 emails.

This planCrowdSpark, pay as you go, x402 pay per call, POST /v1/email/check/batchBillionVerify, $120 monthly, Business, POST /verify/bulkMillionPhones, $16,800 yearlyListclean, $15 pack, 25K Credits, GET /verify/email/{email}Reoon, $9 monthly, Daily Credits, GET /verify
$ per 1,000 emails$0.60$0.60$0.60$0.60$0.60
Completeness17%67%33%33%67%
Billingpay as you gomonthlyyearlypay firstmonthly
Payper call$120$16,800$15$9
Enough foras many as you pay for200,000 results a month28,000,000 calls a year25,000 calls500 calls a day
Freshnessunknownlivelivelivelive
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API keyanyone at least 18 years old and legally able to enter into a contract, for their internal business purposes onlyanyone with a work emailanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

  1. agents.crowdspark.me/docs
  2. agents.crowdspark.me/llms-full.txt
  3. agents.crowdspark.me/openapi.json
  4. agents.crowdspark.me/terms
  5. api.cdp.coinbase.com/platform/v2/x402/discovery/resources
  6. crowdspark.me

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
Price
$ per 1,000 emails$0.60
Perresult
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchBatch email validation for list cleaning: up to 10 addresses per call, 40% cheaper than 10 single calls. JSON body {emails:[...]}. Each item gets syntax, MX, disposable, role and free-provider checks and a deliverable_guess. Bad items return per-item errors, not a failed call.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataNo unlawful use, no attempts to attack or overload the service or upstream sources, no scraping that breaks a target site's terms. We may rate-limit or block abusive traffic.
Plan
Payper call
Rate limit
Batch10
Speed
Answerin the call
The call
You sendemails
MethodPOST
Path/v1/email/check/batch
About the plan
Planx402 pay per call
Who can get itanyone with a wallet paying each call in USDC on Base (x402), with no account or API key
The 11 fields the plan's answer can hold

count, succeeded, failed, input, ok, valid syntax, MX record, disposable, role account, free provider, deliverable guess

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