Datacircle

Horizon Pulse pricing: email verification API

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50% complete: 3 of the 6 fields on our checklistSee the 6 fields
$3.00per 1,000 emailsWe haven't run Horizon Pulse through our email verification API benchmark yet.We rank 4,337 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 37% of the 4,337 plans.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. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.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.pingutil, Validemail.co and looot are the best email verification API providers in the Datacircle benchmark.
Type a number to see the cheapest Horizon Pulse plan for that many emails. The table below then sorts the other plans by what each costs.
Plan: x402 pay per call Horizon Pulse's only plan
Call: GET /api/email/check Horizon Pulse's only call for this API
API: Email verification API one of Horizon Pulse's 3 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 3 of the 6 fields on our checklist. Address, Deliverability, Company.
  • Nothing to buy first. You pay per call.
  • One call. You send email to GET /api/email/check. The call returns whether the address takes mail.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Horizon Pulse: email verification API alternatives

Horizon Pulse alternatives: other email verification API providers by price

We list other providers' plans closest to this plan in price per 1,000 emails.

This planHorizon Pulse, pay as you goPrime Verifier, $15 pack, Pay-As-You-Go 5,000 credits, POST /v1/verify/singleDeBounce, top-up from $15, 5K credits, GET /v1/, Single email validationOrbiSearch, $30 pack, Starter, POST /v1/bulkExactVerify, $15 pack, Pay-As-You-Go from 5,000 emails, GET /v1/singleBESS x402, pay as you go
$ per 1,000 emails$3.00$3.00$3.00$3.00$3.00$3.00
Completeness50%50%50%50%33%33%
Billingpay as you gopay firstpay firstpay firstpay firstpay as you go
Payper call$15$15$30$15per call
Enough foras many as you pay for5,000 calls5,000 calls10,000 results5,000 callsas many as you pay for
Freshnessunknownunknownliveliveliveunknown
Who can get itanyone, with no account or API key, paying each call in USDC from a wallet (x402)anyone 18 or older able to form a binding contractanyone over 18anyoneanyone with a business email addressanyone with a wallet paying USDC on Base, Polygon or Arbitrum (x402), no account or API key

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. api.cdp.coinbase.com/platform/v2/x402/discovery/resources
  2. horizonpulse.dev/.well-known/x402
  3. horizonpulse.dev/docs
  4. horizonpulse.dev/llms.txt
  5. horizonpulse.dev/openapi.json
  6. horizonpulse.dev/terms/buyer
  7. horizonpulse.dev/x402-api

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 emails$3.00
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchEmail address check for one address: RFC 5322 syntax, MX records (null MX noted), SPF and DMARC records over DNS, role-account flag (info@, admin@ and similar) and a disposable-domain match. No SMTP connection is made, so mailbox existence is not checked.
Data
What it checksformat, mail servers, disposable domains, role addresses
Keep datano limit
Use dataYour use: Results are for your own use, including use inside your own product or agent, where they inform an answer or a decision for your users. No resale: You may not resell, sublicense, redistribute or republish results in bulk, or offer them, or a feed or cache built from them, as a data product or API of your own. No AI training: You may not use results, alone or in bulk, to train, fine-tune or evaluate a machine-learning model, or to build a dataset for that purpose. Using a single result as context for an answer at the time of the call is allowed. No competing service: You may not call our routes systematically to copy, mirror or rebuild a Horizon Pulse route, its methodology or its catalog as a competing service. Public data stays public: These limits apply to Horizon Pulse's analysis, scoring, verdicts and compilation. They do not restrict your use of public-domain government data or third-party content in a result, which stay under their publishers' own terms. Any notices those publishers attach must be kept.
Plan
Payper call
Rate limit
Batch1
Speed
Answerin the call
The call
You sendemail
MethodGET
Path/api/email/check
About the plan
Planx402 pay per call
Who can get itanyone, with no account or API key, paying each call in USDC from a wallet (x402)
The 25 fields the plan's answer can hold

ok, email, local part, domain, domain in Unicode, syntax valid, syntax standard, accepts mail by DNS, MX records, null MX, SPF present, SPF record, SPF all mechanism, SPF multiple records, DMARC present, DMARC policy, DMARC record, disposable, disposable match, role account, SMTP checked, observed at, source, attribution, disclaimer

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