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Botoi pricing and alternatives: cached email verification API, POST /v1/email-mx/verify

Botoi's sitellms.txtBest cached email verification API in 2026
50% complete: 3 of the 6 key fields we checkSee the 6 fields
$0.00per 1,000 emails
Plan: Free one of Botoi's 4 plans
Call: POST /v1/email-mx/verify one of Botoi's 3 calls

About this item

  • Stored. Botoi may skip the mail server and answer from data it keeps. Botoi doesn't say how old the data is.
  • 3 of the 6 key fields we check. Address, Deliverability, Company.
  • Nothing to pay. You get 1,000 requests a day. Unused requests expire: resets daily at midnight UTC.
  • One call. You send email to POST /v1/email-mx/verify. The call returns whether the address takes mail.
  • Who can get it: anyone 18 or older. Keep data: no limit. Use data: with conditions.

Botoi: cached email verification API alternatives

We list other providers' plans closest to this plan in price per 1,000 emails. Each plan in the table gives stored data, not live data, like this plan.

This planBotoi, free, Free, POST /v1/email-mx/verifygraph8, freeEmailDetective, free, Free, POST /emailsEmailit, freeKaijuVerifier, free, Free, POST /api/v1/jobs
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness50%33%83%67%50%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for1,000 calls a daynot published1,000 results a month600 calls a month100 results a month
Freshnessstoredstoredstoredstored (has MX records: live)stored
Who can get itanyone 18 or olderverified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposesanyoneentrepreneurs acting in the course of their businessanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-23.

  1. api.botoi.com/openapi.json
  2. botoi.com/
  3. botoi.com/api/lookup/email-mx-verify/
  4. botoi.com/llms.txt
  5. botoi.com/pricing/
  6. botoi.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
Price
$ per 1,000$0.00
Billingfree
Aggregators
Aggregatorsnone
Charges
Percall
Also pays forfrom the same budget: All 150+ endpoints
Not found
$ per 1,000$0.00
In their words
Their pitchValidates the address format, extracts the domain, and queries Cloudflare DNS for MX records.
Data
Freshnessstored
Keep datano limit
Use dataBy obtaining and using an API key, You agree to: Keep Your API key confidential and not share it with unauthorized parties, Not exceed the rate limits associated with Your plan tier, Not use the API for any unlawful purpose or to transmit harmful content, Not attempt to circumvent authentication, rate limiting, or other security measures, Not resell or redistribute API access without prior written consent from the Company
Plan
Pay$0
You get1,000 requests a day
Enough for1,000 calls a day
Expiresresets daily at midnight UTC
Rate limit
Per day1,000
Per second0.17
Batch1
Speed
Answerin the call
The call
You sendemail
MethodPOST
Path/v1/email-mx/verify
About the plan
PlanFree
Who can get itanyone 18 or older
The 9 fields the plan's answer can hold

success, email address, format valid, domain, MX found, MX records, deliverable, request ID, time taken

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