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SyncGTM pricing: email verification API

SyncGTM's sitellms.txtBest email verification API in 2026: providers comparedSyncGTM: email verification API alternatives

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33% complete: 2 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emailsWe rank 3,227 plans by price. 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 our benchmark.
Plan: Free one of SyncGTM's 17 plans
Call: POST /enrich/verify-email SyncGTM's only call for this API
API: Email verification API one of SyncGTM's 3 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 6 key fields we check. Address, Deliverability.
  • Nothing to pay. You get 50 credits a month, enough for 250 calls. Calls stop once your credits run out. Unused credits expire at the start of each cycle, no rollover.
  • One call. You send email to POST /enrich/verify-email. You set the Content-Type header to "application/json". You can also send the Idempotency-Key header. The call returns whether the address takes mail.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

SyncGTM: email verification API alternatives

SyncGTM alternatives: every email verification API provider ranked

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

SyncGTM, $7,009 yearlyAbstract API, $1,749 yearlyBounceless, $19 monthly, Starter: 6,500 credits per month, POST /v1/requests, Create a batch (emails)SendPulse, $1,756.80 yearly, Subscription 50000, Yearly, POST /verifier-service/send-single-to-verify/1Lookup, $2,990 yearly, Growth (annual), POST /bulk/jobs
$ per 1,000 emails$2.92$2.915$2.923$2.928$2.931
Completeness33%67%50%33%67%
Billingyearlyyearlymonthlyyearlyyearly
Pay$7,009$1,749$19$1,756.80$2,990
Enough for2,400,000 calls a year50,000 calls a month6,500 results a month50,000 calls a month85,000 results a month
Freshnessunknownlivelivestoredlive
Who can get itanyone aged 16 or over, for lawful business useanyone 18 or olderbusiness customers outside the European Economic Area and the UKanyone outside Russiaanyone with a business name and a working business email address

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. docs.syncgtm.com/rest_api
  2. docs.syncgtm.com/rest_api/endpoints
  3. docs.syncgtm.com/rest_api/endpoints/verify_email
  4. docs.syncgtm.com/rest_api/errors
  5. docs.syncgtm.com/rest_api/rate_limits
  6. syncgtm.com/credits-estimator
  7. syncgtm.com/pricing
  8. syncgtm.com/product/waterfall-enrichment-api
  9. syncgtm.com/terms

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
Price
$ per 1,000 emails$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Find Work Email · Find Personal Email · Find Mobile Number
Overage
Units caphard
Not found
$ per 1,000$0.00
Catch-all
$ per 1,000$0.00
Bounce
Bounce refundnever
In their words
Their pitchGive it an email address and find out whether it is safe to send to.
Data
Keep datano limit
Use dataa non-exclusive, non-transferable, revocable right to use Enrichment Results internally for your own go-to-market activities. All other rights are reserved. You must not, without our prior written consent: resell, licence, publish, syndicate, broker, or otherwise make Enrichment Results available to any third party as a dataset, list, directory, feed or data product, contribute Enrichment Results to a data cooperative, data exchange, shared pool, or contact-sharing arrangement, use Enrichment Results to train, fine-tune, or generate embeddings for any model that you distribute, licence or make available to third parties, append Enrichment Results to a product or database that you sell, licence or provide to third parties, represent Enrichment Results as your own proprietary data, or as verified, endorsed or warranted by SyncGTM
Plan
Pay$0
You get50 credits a month
Enough for250 calls a month
Expiresat the start of each cycle, no rollover
Rate limit
Per second1
Batch1
Speed
Answerin the call
Median4.62 s
The call
You sendContent-Type header "application/json", email. Optional: Idempotency-Key header
MethodPOST
Path/enrich/verify-email
About the plan
PlanFree
Who can get itanyone aged 16 or over, for lawful business use, one free allowance per organisation
The 2 fields the plan's answer can hold

status, email address

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