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10 Signitize alternatives in 2026

The best Signitize alternatives for email verification APIs: Validemail.co, pingutil and looot, by our benchmark of November 9, 2026. Signitize's website is signitize.io.

Email verification API alternatives

Signitize is #228 of the 239 providers we rank.

Every provider of this API, ranked: Email validation API: best providers in 2026

RankProvider and planOverall scoreAccuracy scoreMedian answer time$ per 1,000 emails
1Validemail.co, €9.90 monthly, 9.90 €/month · validemail.co82.4800.68 s$0.00043
2pingutil, free API key · pingutil.com82.3771.6 s$0.00
3looot, top-up · looot.ai80.5802.9 sUnknown
4MailTester Ninja, $23.99 monthly · mailtester.ninja78.0801.1 s$0.008
5Giggal, $39 pack, 50,000 credits · giggal.ai76.1922.6 s$0.78
6KaijuVerifier, $149 monthly, Scale · kaijuverifier.com74.7770.56 s$0.60
226RealMail, $16 pack · realmail.dev0.00Not timed$6.40
227ReefAPI, $15 monthly · reefapi.com0.00Not timed$1.50
229SignupScore, $12 monthly · signupscore.com0.00Not timed$0.48
230StopReg, $20 monthly · stopreg.com0.00Not timed$0.33

We give an Overall score of 0 to any provider with an Accuracy score of 0.

Unknown: the provider's pages give the plan's price. They don't say how many emails come with the plan.

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