Datacircle

Sendblue pricing: phone validation API

Sendblue's siteThis page as plain textPhone validation API in 2026: the best of 60+ comparedSendblue: phone validation API alternatives

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11% complete: 1 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 phonesWe haven't run Sendblue through our phone validation API benchmark yet.This plan is free. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones. See the best free phone validation API plan.GuGuData's CNY 124 (about $19) monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. Keyronne's pay-as-you-go plan costs the least for 10,000 phones a month: $0.20.Trestle, Signal House and Data247 are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest Sendblue plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Free Sandbox one of Sendblue's 3 plans
Call: GET /api/evaluate-service Sendblue's only call
API: Phone validation API Sendblue's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 9 fields on our checklist. Number.
  • Nothing to pay. Sendblue limits how many calls you get but gives no number.
  • One call. You send number to GET /api/evaluate-service.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Sendblue: phone validation API alternatives

Sendblue alternatives: other phone validation API providers by price

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

Sendblue, $100 monthlyData Soap, £4.99 packListar, top-up from €100,000, Diamond, POST /search/verify-phone-ownershipEndereco, pay as you go, Pro: 10,000-50,000 API requests a monthLOX24, top-up, Direct
$ per 1,000 phones$33.333$33.271$33.759$33.759$33.759
Completeness11%56%67%56%33%
Billingmonthlypay firstpay firstpay as you gopay first
Pay$100£4.99€100,000monthlyany amount
Enough for3,000 calls a month200 callsabout 3,333,333 resultsas many as you pay foras many as you pay for
Freshnessunknownliveliveliveunknown
Who can get itanyonenew customers signing up for a new accountanyone whose cumulative spend on credits has reached €100,000 excl. taxanyone who signs its data processing agreementcompanies, the self-employed and freelancers, clubs, parties, religious communities and public bodies, no offer for private individuals

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. docs.sendblue.com/api
  2. docs.sendblue.com/api/resources/lookups/methods/lookup_number
  3. docs.sendblue.com/guides/check-imessage-support
  4. docs.sendblue.com/limits
  5. sendblue.com/features/number-lookup
  6. sendblue.com/pricing
  7. sendblue.com/terms-of-service

Product details

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

  • Number
  • Formats, not in the answer
  • Validity, not in the answer
  • Type, not in the answer
  • Carrier, not in the answer
  • Porting and roaming, not in the answer
  • Place, not in the answer
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000 phones$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays for53 other Sendblue calls
Not found
$ per 1,000$0.00
In their words
Their pitchDetect iMessage availability before sending. Route iPhone users to iMessage and Android users to SMS or RCS — all from a single API call.
Data
What it checksmessaging apps
Keep datano limit
Use dataSubject to your adherence to the terms set forth herein, Sendblue grants you the rights to use and employ the outputs generated from Sendblue services ("Outputs") in your operations. These Outputs may be influenced by proprietary algorithms and, as such, could be subject to certain third-party rights.
Plan
Pay$0
Rate limit
Batch1
Speed
Answerin the call
The call
You sendnumber
MethodGET
Path/api/evaluate-service
About the plan
PlanFree Sandbox
Who can get itanyone
The 2 fields the plan's answer can hold

normalized number, iMessage support

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