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SendSure pricing: email verification API, POST /api/verify/single

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50% complete: 3 of the 6 key fields we checkSee the 6 fields

$0.00per 1,000 emailsWe haven't run SendSure 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 (/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: Free one of SendSure's 27 plans
Call: POST /api/verify/single one of SendSure's 5 calls
API: Email verification API SendSure's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 6 key fields we check. Address, Deliverability, Confidence.
  • Nothing to pay. You get 10 credits, enough for 10 calls. Calls stop once your credits run out.
  • One call. You send email to POST /api/verify/single. The call returns whether the address takes mail.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

SendSure: email verification API alternatives

SendSure alternatives: every email verification API provider ranked

The table starts with SendSure's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to SendSure's.

SendSure, $7,116 yearly, Growth Yearly, up to 1,000,000 / month, POST /api/verify/singleMailVeri, $59 pack, 100,000 credits, POST /verify-mail/API Ninjas, $59 monthlyEmailListVerify, $594 monthly, 1,000,000 credits, POST /api/verifyApiFileKaijuVerifier, $149 monthly, Scale, POST /api/v1/jobs, Submit an async bulk job
$ per 1,000 emails$0.593$0.59$0.59$0.594$0.596
Completeness50%50%50%50%50%
Billingyearlypay firstmonthlymonthlymonthly
Pay$7,116$59$59$594$149
Enough for1,000,000 calls a month100,000 calls100,000 calls a month1,000,000 results a month250,000 results a month
Freshnessunknownlivestoredlivestored
Who can get itanyoneanyoneanyone 18 or overanyone 16 or over, or 13 to 15 with verifiable parental consent, after a demo requestanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. api.sendsure.ai/api/docs
  2. api.sendsure.ai/api/docs/openapi.yaml
  3. sendsure.ai/_next/static/chunks/33-b0mh2va2pf.js
  4. sendsure.ai/api
  5. sendsure.ai/docs/api
  6. sendsure.ai/docs/api-guides/api-errors-rate-limits-and-retries
  7. sendsure.ai/docs/billing-and-admin/credits-and-billing
  8. sendsure.ai/pricing
  9. sendsure.ai/terms-of-service

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Address
  • Deliverability
  • Confidence
  • Name, not in the answer
  • Place, not in the answer
  • Company, not in the answer
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Verify a batch of emails · Start processing a job · Score a single email · Batch score up to 1000 emails
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchOne REST call verifies emails at signup, checkout, and CRM — blocking bad data before it reaches your list.
Data
What it checksformat, mail servers, disposable domains, role addresses, mailbox
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get10 credits
Enough for10 calls
Rate limit
Per second0.028
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/api/verify/single
About the plan
PlanFree
Who can get itanyone
The 25 fields the plan's answer can hold

email address, result, valid, status, sub-status code, status label, score, confidence, quality score, risk band, reason, reason code, flags, did you mean, standard status, standard status label, recommended action, technical status, technical details, action bucket, action status, action recommendation, action basis, billable, time taken

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