# ListWise, free trial, GET /clean/quick.php: Email verification API

> Perfect for developers, the ListWise instant real-time API will take your email cleaning experience to another level. An API like this does not exist elsewhere in the market. This API does the complete ListWise clean (including a real-time SMTP handshake with the email providers) and gives you an instant result.

ListWise's email verification API on its Free trial plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Address, Deliverability.
ListWise limits how many calls you get but gives no number.
We haven't run ListWise through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 3,338 plans for email verification APIs by price. Half the plans cost $1.98 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 our benchmark.

- This page: https://datacircle.dev/validate-email-apis/listwise/free-trial-get-clean-quick-php
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://listwisehq.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://api.listwisehq.com/clean/quick.php`
- API key: with the plan, on https://listwisehq.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://listwisehq.com/docs/listwise-api/making-an-api-call/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: ListWise (https://listwisehq.com?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

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Perfect for developers, the ListWise instant real-time API will take your email cleaning experience to another level. An API like this does not exist elsewhere in the market. This API does the complete ListWise clean (including a real-time SMTP handshake with the email providers) and gives you an instant result.

## Data

- What it checks: format, mail servers
- Keep data: no limit
- Use data: comply with the UEMA at all times and any other legislation in force that may be applicable to your use of the ListWise Service [...] You must not send any electronic communications that violate any New Zealand & Australian legislation including the violation of any anti money laundering or the countering of financing of terrorism legislation, or which seek to solicit money under false pretences (scams)

## Plan

- Pay: $0

## Rate limit

- Concurrent: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email
- Method: GET
- Path: /clean/quick.php

## About the plan

- Plan: Free trial
- Who can get it: anyone at least 18 years of age and able to legally enter into a binding contract

## The 4 fields the plan's answer can hold

email, email status, free mail, typo fixed

## ListWise's plans (22)

- [ListWise, free trial, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/free-trial-get-clean-quick-php/llms.txt): $0.00 per 1,000, 33% complete
- [ListWise, $45 pack, 10K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/45-pack-10k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $70 pack, 25K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/70-pack-25k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $105 pack, 50K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/105-pack-50k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $185 pack, 100K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/185-pack-100k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $450 pack, 250K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/450-pack-250k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $605 pack, 500K Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/605-pack-500k-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $1,205 pack, 1 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/1205-pack-1-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $1,595 pack, 2 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/1595-pack-2-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $2,995 pack, 5 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/2995-pack-5-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $4,930 pack, 10 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/4930-pack-10-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $7,750 pack, 20 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/7750-pack-20-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $15,995 pack, 50 Million Email Addresses, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/15995-pack-50-million-email-addresses-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $44 monthly, Monthly 10k, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/44-monthly-monthly-10k-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $86 monthly, Monthly 50k, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/86-monthly-monthly-50k-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $158 monthly, Monthly 100k, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/158-monthly-monthly-100k-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $408 monthly, 100K Premium, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/408-monthly-100k-premium-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $462 monthly, Monthly 500k, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/462-monthly-monthly-500k-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $662 monthly, 500K Premium, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/662-monthly-500k-premium-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $860 monthly, Monthly 1 Million, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/860-monthly-monthly-1-million-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $1,010 monthly, 1 Million Premium, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/1010-monthly-1-million-premium-get-clean-quick-php/llms.txt): 33% complete
- [ListWise, $2,559 monthly, Monthly 5 Million, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/2559-monthly-monthly-5-million-get-clean-quick-php/llms.txt): 33% complete

## ListWise's calls (3)

- `GET /clean/deep.php`: [ListWise, free trial, GET /clean/deep.php](https://datacircle.dev/validate-email-apis/listwise/free-trial-get-clean-deep-php/llms.txt)
- `GET /clean/quick.php`: [ListWise, free trial, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/free-trial-get-clean-quick-php/llms.txt)
- `GET /clean/realtime.php`: [ListWise, $408 monthly, 100K Premium, GET /clean/realtime.php](https://datacircle.dev/validate-email-apis/listwise/408-monthly-100k-premium-get-clean-realtime-php/llms.txt)

## ListWise's APIs (1)

- [ListWise: email verification API pricing, 22 plans, GET /clean/quick.php](https://datacircle.dev/validate-email-apis/listwise/free-trial-get-clean-quick-php/llms.txt)

## ListWise: email verification API alternatives

- [MailTester Ninja, free, No token](https://datacircle.dev/validate-email-apis/mailtester-ninja/free-no-token/llms.txt): $0.00 per 1,000, 50% complete, live
- [Enrich.so, free, POST /email-validation](https://datacircle.dev/validate-email-apis/enrich-so/free/llms.txt): $0.00 per 1,000, 50% complete, live
- [GetProspect, free, POST /v2/email-verifications](https://datacircle.dev/validate-email-apis/getprospect/free-free-post-v2-email-verifications/llms.txt): $0.00 per 1,000, 50% complete, live
- [Sealch, free, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/free-free-post-api-verify/llms.txt): $0.00 per 1,000, 17% complete, live
- [Fideo, free](https://datacircle.dev/validate-email-apis/fideo/free/llms.txt): $0.00 per 1,000, 33% complete

## 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://listwisehq.com/docs/listwise-api/making-an-api-call/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://listwisehq.com/docs/support/general-questions/what-happens-to-my-unused-credits/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://listwisehq.com/pricing/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://listwisehq.com/terms/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.listwisehq.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing