# Webbula, free, 100 Free Credits, POST /task/express: Email verification API

> Webbula offers a real-time API that enables instant verification of email addresses as they are submitted.

Webbula's email verification API on its 100 Free Credits plan. It costs $0.00 per 1,000 emails. It returns 1 of the 6 key fields we check: Address.
We haven't run Webbula through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,341 plans for email verification APIs by price. Half the plans cost $1.985 per 1,000 emails or less.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) 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.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/webbula/free-100-free-credits-post-task-express
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://webbula.com/zuvo-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://app.emailhygiene.com/api.v4/task/express`
- API key: with the plan, on https://webbula.com/zuvo-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://support.webbula.com/hc/en-us/article_attachments/36999646075924?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing#page=15
- Sold by: Webbula (https://webbula.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-04

## In the answer

- Completeness: 17%
- Address: ✓

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: task/run · task/lead

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Webbula offers a real-time API that enables instant verification of email addresses as they are submitted.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, role addresses, mailbox
- Keep data: no limit
- Use data: API use requires valid credentials and adherence to published rate limits. [...] Access to Webbula's API is subject to: Authentication via API keys, Rate limits displayed in your account, Prohibition on sharing credentials with third parties

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 100 calls, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: profile, emails
- Method: POST
- Path: /task/express

## About the plan

- Plan: 100 Free Credits
- Who can get it: anyone

## The 12 fields the plan's answer can hold

success, package name, transaction ID, profile, time taken, email address, original email address, threat flag, activity first seen, activity trajectory, activity most recent seen, credits remaining

## Webbula's plans (12)

- [Webbula, free, 100 Free Credits, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/free-100-free-credits-post-task-express/llms.txt): $0.00 per 1,000, 17% complete, live
- [Webbula, $57.50 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/57-50-pack-on-demand-post-task-express/llms.txt): $11.50 per 1,000, 17% complete, live
- [Webbula, $99 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/99-pack-on-demand-post-task-express/llms.txt): $9.90 per 1,000, 17% complete, live
- [Webbula, $222.50 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/222-50-pack-on-demand-post-task-express/llms.txt): $8.90 per 1,000, 17% complete, live
- [Webbula, $395 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/395-pack-on-demand-post-task-express/llms.txt): $7.90 per 1,000, 17% complete, live
- [Webbula, $600 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/600-pack-on-demand-post-task-express/llms.txt): $6.00 per 1,000, 17% complete, live
- [Webbula, $1,125 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/1125-pack-on-demand-post-task-express/llms.txt): $4.50 per 1,000, 17% complete, live
- [Webbula, $1,950 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/1950-pack-on-demand-post-task-express/llms.txt): $3.90 per 1,000, 17% complete, live
- [Webbula, $3,000 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/3000-pack-on-demand-post-task-express/llms.txt): $3.00 per 1,000, 17% complete, live
- [Webbula, $5,600 pack, On Demand, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/5600-pack-on-demand-post-task-express/llms.txt): $2.80 per 1,000, 17% complete, live
- [Webbula, $24.95 monthly, Core, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/24-95-monthly-core-post-task-express/llms.txt): $9.98 per 1,000, 17% complete, live
- [Webbula, contact us, Enterprise, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/contact-us-enterprise-post-task-express/llms.txt): 17% complete, live

## Webbula's calls for this API (2)

- `POST /task/express`: [Webbula, free, 100 Free Credits, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/free-100-free-credits-post-task-express/llms.txt)
- `POST /task/run`: [Webbula, free, 100 Free Credits, POST /task/run](https://datacircle.dev/validate-email-apis/webbula/free-100-free-credits-post-task-run/llms.txt)

## Webbula's APIs (3)

- [Webbula: phone validation API pricing, 12 plans](https://datacircle.dev/validate-phone-apis/webbula/free/llms.txt)
- [Webbula: email verification API pricing, 12 plans, POST /task/express](https://datacircle.dev/validate-email-apis/webbula/free-100-free-credits-post-task-express/llms.txt)
- [Webbula: people enrichment API pricing, 1 plan](https://datacircle.dev/person-enrichment-apis/webbula/contact-us/llms.txt)

## Webbula: email verification API alternatives

- [ExactVerify, $28 pack, Pay-As-You-Go from 10,000 emails, GET /v1/single](https://datacircle.dev/validate-email-apis/exactverify/28-pack-pay-as-you-go-from-10000-emails-get-v1-single/llms.txt): $2.80 per 1,000, 33% complete, live
- [ClearBounce, $14 monthly, Monthly Subscription 5,000 credits, POST /bulk/upload](https://datacircle.dev/validate-email-apis/clearbounce/14-monthly-monthly-subscription-5000-credits-post-bulk-upload/llms.txt): $2.80 per 1,000, 67% complete, live
- [Mailerio, $28 pack, Pay as you go 10,000 emails, GET /v{version}/validate](https://datacircle.dev/validate-email-apis/mailerio/28-pack-pay-as-you-go-10000-emails-get-v-version-validate/llms.txt): $2.80 per 1,000, 67% complete, live
- [Heybounce, $700 pack, Pay As You Go 250,000 credits, GET /validate](https://datacircle.dev/validate-email-apis/heybounce/700-pack-pay-as-you-go-250000-credits-get-validate/llms.txt): $2.80 per 1,000, 50% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-04.

- https://support.webbula.com/hc/en-us/article_attachments/36999646075924?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://support.webbula.com/hc/en-us/articles/27982206705556-Do-you-have-API-documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/email-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/faqs-topic/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/question/do-you-offer-pay-as-you-go-subscription-or-enterprise-plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/question/how-do-api-calls-work-for-real-time-email-verification?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/question/how-does-api-access-and-pricing-work?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/question/what-can-i-do-with-the-webbula-email-verification-and-enrichment-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/question/what-rate-limits-or-usage-thresholds-apply-to-the-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/threat-detection?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://webbula.com/zuvo-pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing