# Zuhal, free, POST /verify: Email verification API

> Verify single emails in real-time or process millions in bulk. Clean JSON responses, credits-based pricing, and 99.9% uptime

Zuhal's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
In [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), Zuhal's best plan scores 54.3 out of 100.
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/zuhal/free-post-verify
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://zuhal.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://zuhal.io/api/v1/verify`
- API key: with the plan, on https://zuhal.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://zuhal.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Zuhal (https://zuhal.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 33%
- Address: ✓
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Repeat free: 30 days
- Also pays for: from the same budget: Bulk Upload

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## Catch-all

- $ per 1,000: $0.00

## In their words

- Their pitch: Verify single emails in real-time or process millions in bulk. Clean JSON responses, credits-based pricing, and 99.9% uptime

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no API terms
- Use data: no API terms

## Plan

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

## Rate limit

- Per second: 1.67
- Batch: 1

## Speed

- Answer: in the call
- Median: 3.25 s

## The call

- You send: email
- Method: POST
- Path: /verify

## About the plan

- Plan: Free
- Who can get it: anyone at least 18 years old

## The 7 fields the plan's answer can hold

request status, message, request ID, email address, email status, credits used, remaining credits

## Zuhal's plans (15)

- [Zuhal, free, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/free-post-verify/llms.txt): $0.00 per 1,000, 33% complete, live
- [Zuhal, $13 pack, Pay As You Go: 10,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/13-pack-pay-as-you-go-10000-credits-post-verify/llms.txt): $1.30 per 1,000, 33% complete, live
- [Zuhal, $32 pack, Pay As You Go: 25,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/32-pack-pay-as-you-go-25000-credits-post-verify/llms.txt): $1.28 per 1,000, 33% complete, live
- [Zuhal, $44 pack, Pay As You Go: 50,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/44-pack-pay-as-you-go-50000-credits-post-verify/llms.txt): $0.88 per 1,000, 33% complete, live
- [Zuhal, $75 pack, Pay As You Go: 100,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/75-pack-pay-as-you-go-100000-credits-post-verify/llms.txt): $0.75 per 1,000, 33% complete, live
- [Zuhal, $150 pack, Pay As You Go: 250,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/150-pack-pay-as-you-go-250000-credits-post-verify/llms.txt): $0.60 per 1,000, 33% complete, live
- [Zuhal, $240 pack, Pay As You Go: 500,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/240-pack-pay-as-you-go-500000-credits-post-verify/llms.txt): $0.48 per 1,000, 33% complete, live
- [Zuhal, $400 pack, Pay As You Go: 1,000,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/400-pack-pay-as-you-go-1000000-credits-post-verify/llms.txt): $0.40 per 1,000, 33% complete, live
- [Zuhal, $10 monthly, Monthly: 10,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/10-monthly-monthly-10000-credits-post-verify/llms.txt): $1.00 per 1,000, 33% complete, live
- [Zuhal, $20 monthly, Monthly: 25,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/20-monthly-monthly-25000-credits-post-verify/llms.txt): $0.80 per 1,000, 33% complete, live
- [Zuhal, $35 monthly, Monthly: 50,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/35-monthly-monthly-50000-credits-post-verify/llms.txt): $0.70 per 1,000, 33% complete, live
- [Zuhal, $60 monthly, Monthly: 100,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/60-monthly-monthly-100000-credits-post-verify/llms.txt): $0.60 per 1,000, 33% complete, live
- [Zuhal, $125 monthly, Monthly: 250,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/125-monthly-monthly-250000-credits-post-verify/llms.txt): $0.50 per 1,000, 33% complete, live
- [Zuhal, $200 monthly, Monthly: 500,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/200-monthly-monthly-500000-credits-post-verify/llms.txt): $0.40 per 1,000, 33% complete, live
- [Zuhal, $350 monthly, Monthly: 1,000,000 Credits, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/350-monthly-monthly-1000000-credits-post-verify/llms.txt): $0.35 per 1,000, 33% complete, live

## Zuhal's calls (2)

- `POST /bulk/upload`: [Zuhal, free, POST /bulk/upload](https://datacircle.dev/validate-email-apis/zuhal/free-post-bulk-upload/llms.txt)
- `POST /verify`: [Zuhal, free, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/free-post-verify/llms.txt)

## Zuhal's APIs (1)

- [Zuhal: email verification API pricing, 15 plans, POST /verify](https://datacircle.dev/validate-email-apis/zuhal/free-post-verify/llms.txt)

## Zuhal: email verification API alternatives

- [MillionVerifier, $1,399 pack, 4,000,000 verification credits, GET /api/v3](https://datacircle.dev/validate-email-apis/millionverifier/1399-pack-4000000-verification-credits-get-api-v3/llms.txt): $0.35 per 1,000, 50% complete, live
- [BillionVerify, $350 pack, Ultimate, POST /verify/bulk](https://datacircle.dev/validate-email-apis/billionverify/350-pack-ultimate-post-verify-bulk/llms.txt): $0.35 per 1,000, 67% complete, live
- [Listclean, $35 pack, 100K Credits, GET /verify/email/{email}](https://datacircle.dev/validate-email-apis/listclean/35-pack-100k-credits-get-verify-email-email/llms.txt): $0.35 per 1,000, 33% complete, live
- [VerifyHQ, $350 pack](https://datacircle.dev/validate-email-apis/verifyhq/350-pack/llms.txt): $0.35 per 1,000, 33% 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 2026-11-02.

- https://zuhal.io/api-docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://zuhal.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://zuhal.io/faqs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://zuhal.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://zuhal.io/refund-policy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://zuhal.io/terms-conditions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing