# 40 HTMLWeb alternatives in 2026

Last updated: November 9, 2026.

The best alternatives to HTMLWeb for phone validation APIs: Trestle, Data247 and Abstract API, by our benchmark. HTMLWeb's website is htmlweb.ru.

## Phone validation API alternatives

[Trestle](https://datacircle.dev/validate-phone-apis/trestle/free#top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api), [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone) and [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/free#19-monthly-starter-5000-requests-month) are the best [phone validation API providers](https://datacircle.dev/best-phone-validation-api) in the Datacircle benchmark.

On our [HTMLWeb plan pages](https://datacircle.dev/validate-phone-apis/htmlweb/free-daily-requests-get-geo-api-php), we compare each HTMLWeb plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 phones first.

- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free): $0.00 per 1,000 phones
- [Foxentry, free trial, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic): $0.00 per 1,000 phones
- [HLR Lookups, free, 100 free lookups, POST /nt-lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-nt-lookups): $0.00 per 1,000 phones
- [Trestle, free trial, GET /3.0/phone_intel](https://datacircle.dev/validate-phone-apis/trestle/free): $0.00 per 1,000 phones
- [ZelNum, $100 pack, Pay as you go, $100 top-up, POST /detect/file, Signal Number Checker (file upload)](https://datacircle.dev/validate-phone-apis/zelnum/free-test-post-detect-phone-status-check#100-pack-pay-as-you-go-100-top-up-post-detect-file-signal-number-checker-file-upload): $0.476 per 1,000 phones
- [APISpace, CNY 9,600 pack](https://datacircle.dev/validate-phone-apis/apispace/free-trial-30-calls#cny-9600-pack): $0.479 per 1,000 phones
- [Ihuyi, CNY 1,600 pack](https://datacircle.dev/validate-phone-apis/ihuyi/cny-500-pack#cny-1600-pack): $0.479 per 1,000 phones
- [ShuxunTech, CNY 3,200 pack](https://datacircle.dev/validate-phone-apis/shuxuntech/free-trial#cny-3200-pack): $0.479 per 1,000 phones
- [Ahunter, top-up](https://datacircle.dev/validate-phone-apis/ahunter/top-up): $0.597 per 1,000 phones
- [MTS Exolve, top-up, Basic: over 500,000 requests a month](https://datacircle.dev/validate-phone-apis/mts-exolve/free-300-post-hlr-v1-getbasenumberinfo#top-up-500-000): $0.597 per 1,000 phones

Compare every phone validation API plan: [Phone validation API pricing: free and cheapest plans compared](https://datacircle.dev/phone-validation-api-pricing)

## Email verification API alternatives

[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify), [looot](https://datacircle.dev/validate-email-apis/looot/top-up) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token#23-99-monthly) are the best [email verification API providers](https://datacircle.dev/best-email-verification-api) in the Datacircle benchmark.

On our [HTMLWeb plan pages](https://datacircle.dev/validate-email-apis/htmlweb/free-daily-requests-get-json-service-email-email-validation-api), we compare each HTMLWeb plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.

- [MailVeri, $119 pack, 250,000 credits, POST /verify-mail/](https://datacircle.dev/validate-email-apis/mailveri/free-1000-free-credits-post-verify-mail#119-pack-250000-credits-post-verify-mail): $0.476 per 1,000 emails
- [IsItDisposable, $1,430 yearly, Pro, POST /v1/check/batch](https://datacircle.dev/validate-email-apis/isitdisposable/free-post-v1-check-batch#1430-yearly-pro-post-v1-check-batch): $0.477 per 1,000 emails
- [KaijuVerifier, $1,430.04 yearly, Scale, POST /api/v1/verify-single, Verify a single email with the SMTP probe (authenticated)](https://datacircle.dev/validate-email-apis/kaijuverifier/free-free-post-api-v1-verify-single#1430-04-yearly-scale-post-api-v1-verify-single): $0.477 per 1,000 emails
- [Bouncify, $479 monthly](https://datacircle.dev/validate-email-apis/bouncify/free#479-monthly): $0.479 per 1,000 emails
- [Elastic Email, $179 monthly, Email API Pro (300,000 emails/month), POST /verifications/{email}](https://datacircle.dev/validate-email-apis/elastic-email/free-email-api-free#179-monthly-email-api-pro-300000-emails-month-post-verifications-email): $0.597 per 1,000 emails
- [uChecker, ₽25,000 pack, 500,000 addresses, POST /api/v1/validate/bulk](https://datacircle.dev/validate-email-apis/uchecker/free-first-100-addresses-free-post-api-v1-validate-bulk#25000-pack-500000-addresses-post-api-v1-validate-bulk): $0.597 per 1,000 emails
- [Prime Verifier, $598 monthly, Monthly 1,000,000 credits, POST /v1/verify/single](https://datacircle.dev/validate-email-apis/prime-verifier/free-post-v1-verify-single#598-monthly-monthly-1000000-credits-post-v1-verify-single): $0.598 per 1,000 emails
- [Verifalia, $3,690 pack](https://datacircle.dev/validate-email-apis/verifalia/free#3690-pack): $0.738 per 1,000 emails
- [Giggal, $222 pack, 300,000 credits, POST /v1/verify](https://datacircle.dev/validate-email-apis/giggal/free-trial-post-v1-verify#222-pack-300000-credits-post-v1-verify): $0.74 per 1,000 emails
- [Sealch, $37 pack, Pay as you go 50,000 emails, POST /api/verify/bulk](https://datacircle.dev/validate-email-apis/sealch/free#37-pack): $0.74 per 1,000 emails

Compare every email verification API plan: [Email verification API pricing: free and cheapest plans compared](https://datacircle.dev/email-verification-api-pricing)

## Company enrichment API alternatives

[ROIC.ai](https://datacircle.dev/company-enrichment-apis/roic-ai/free#89-monthly), [Intrinio](https://datacircle.dev/company-enrichment-apis/intrinio/150-monthly) and [GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free) are the best [company enrichment API providers](https://datacircle.dev/best-company-enrichment-api) in the Datacircle benchmark for companies in any country.

On our [HTMLWeb plan pages](https://datacircle.dev/company-enrichment-apis/htmlweb/free), we compare each HTMLWeb plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 companies first.

- [API Manager, PEN 50 monthly](https://datacircle.dev/company-enrichment-apis/api-manager/free#pen-50-monthly): $0.486 per 1,000 companies
- [ApiPeru, PEN 50 yearly, Micro, POST /ruc-sunat](https://datacircle.dev/company-enrichment-apis/apiperu/free-gratuito-post-ruc-sunat#pen-50-yearly-micro-post-ruc-sunat): $0.486 per 1,000 companies
- [DataPort, PLN 699 yearly, Scale, GET /v1/company/{nip}](https://datacircle.dev/company-enrichment-apis/dataport/free-get-v1-company-nip#pln-699-yearly-scale-get-v1-company-nip): $0.493 per 1,000 companies
- [Crawlora, $199 monthly, Business, GET /pitchbook/company](https://datacircle.dev/company-enrichment-apis/crawlora/free-free-get-pitchbook-company#199-monthly-business-get-pitchbook-company): $0.497 per 1,000 companies
- [Loopster, $179 monthly](https://datacircle.dev/company-enrichment-apis/loopster/free#179-monthly): $0.597 per 1,000 companies
- [Enrich.chat, $299 monthly, Pro, GET /company](https://datacircle.dev/company-enrichment-apis/enrich-chat/free-get-company#299-monthly-pro-get-company): $0.598 per 1,000 companies
- [MillionPhones, $16,800 yearly](https://datacircle.dev/company-enrichment-apis/millionphones/free#16800-yearly): $0.60 per 1,000 companies
- [SerpKite, $300 pack](https://datacircle.dev/company-enrichment-apis/serpkite/free#300-pack): $0.60 per 1,000 companies
- [Yoku, €99 monthly](https://datacircle.dev/company-enrichment-apis/yoku/free#99-monthly): $0.743 per 1,000 companies
- [Entyrix, €1,990 yearly, Pro, billed yearly, GET /api/v1/companies/{ico}](https://datacircle.dev/company-enrichment-apis/entyrix/free-get-api-v1-companies-ico#1990-yearly-pro-billed-yearly-get-api-v1-companies-ico): $0.746 per 1,000 companies

Compare every company enrichment API plan: [Company enrichment API pricing: free and cheapest plans compared](https://datacircle.dev/company-enrichment-api-pricing)

## Domain WHOIS API alternatives

[Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-scout#free-open-api), [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free) and [Robtex](https://datacircle.dev/domain-whois-apis/robtex/free) are the best [domain WHOIS API providers](https://datacircle.dev/best-domain-whois-api) in the Datacircle benchmark.

On our [HTMLWeb plan pages](https://datacircle.dev/domain-whois-apis/htmlweb/free), we compare each HTMLWeb plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 domains first.

- [WhoisJSON, $10 monthly](https://datacircle.dev/domain-whois-apis/whoisjson/free#10-monthly): $0.333 per 1,000 domains
- [HackerTarget, $1,200 yearly](https://datacircle.dev/domain-whois-apis/hackertarget/free#1200-yearly): $0.438 per 1,000 domains
- [WhoisJsonAPI, $49 monthly](https://datacircle.dev/domain-whois-apis/whoisjsonapi/49-monthly): $0.49 per 1,000 domains
- [Whoxy, $5,000 pack](https://datacircle.dev/domain-whois-apis/whoxy/free-education#5000-pack): $0.50 per 1,000 domains
- [WhoisFreaks, $2,700 monthly, Monthly Subscription, 3,000,000 API Credits, GET /v2.0/whois/live](https://datacircle.dev/domain-whois-apis/whoisfreaks/free-get-v2-0-whois-live#2700-monthly-monthly-subscription-3000000-api-credits-get-v2-0-whois-live): $0.90 per 1,000 domains
- [DataAndAPIs, $99.99 monthly](https://datacircle.dev/domain-whois-apis/dataandapis/free#99-99-monthly): $0.9999 per 1,000 domains
- [Osint, $699 pack](https://datacircle.dev/domain-whois-apis/osint/free#699-pack): $1.40 per 1,000 domains
- [JsonWhois, $362.29 monthly](https://datacircle.dev/domain-whois-apis/jsonwhois/free#362-29-monthly): $1.45 per 1,000 domains
- [Eckari, pay as you go, x402, GET /v1/domains/{domain}/registration](https://datacircle.dev/domain-whois-apis/eckari/pay-as-you-go-x402-get-v1-domains-domain-registration): $4.00 per 1,000 domains
- [ViewDNS.info, $3,599 pack](https://datacircle.dev/domain-whois-apis/viewdns-info/free#3599-pack): $7.20 per 1,000 domains

Compare every domain WHOIS API plan: [Domain WHOIS API pricing: free and cheapest plans compared](https://datacircle.dev/domain-whois-api-pricing)

## See also

- [Abstract API alternatives](https://datacircle.dev/abstract-api-alternatives)
- [Foxentry alternatives](https://datacircle.dev/foxentry-alternatives)
- [HLR Lookups alternatives](https://datacircle.dev/hlr-lookups-alternatives)
- [Trestle alternatives](https://datacircle.dev/trestle-alternatives)
- [ZelNum alternatives](https://datacircle.dev/zelnum-alternatives)
- [APISpace alternatives](https://datacircle.dev/apispace-alternatives)
- [Ihuyi alternatives](https://datacircle.dev/ihuyi-alternatives)
- [ShuxunTech alternatives](https://datacircle.dev/shuxuntech-alternatives)