# Disban, free, POST /api/check: Email verification API

> Disban checks the email domain at signup and tells you if it’s disposable, a privacy alias, a test inbox or a real provider, including new disposable domains no list has seen yet.

Disban's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Company.
We ran Disban in [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt). We didn't score any Disban plan.
This plan is free. We rank 3,886 plans for email verification APIs by price. Half the plans cost $1.998 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.
[email-validation.org](https://datacircle.dev/validate-email-apis/email-validation-org/450-pack-1000000-credits-post-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/disban/free-post-api-check
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://disban.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://disban.io/api/check`
- API key: with the plan, on https://disban.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://disban.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Disban (https://disban.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 50%
- Address: ✓
- Deliverability: ✓
- Company: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Batch · Webhook

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Disban checks the email domain at signup and tells you if it’s disposable, a privacy alias, a test inbox or a real provider, including new disposable domains no list has seen yet.

## Data

- What it checks: mail servers, disposable domains
- Keep data: no limit
- Use data: Use the evidence with your own signup rules and provide a way for legitimate users to appeal. Keep API keys on your server and use them only for authorized checks. Do not submit mailbox contents, passwords or unnecessary personal information. Respect the documented request and monthly limits.

## Plan

- Pay: $0
- You get: 2,000 credits a month
- Enough for: 2,000 calls a month

## Rate limit

- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: input, Content-Type header "application/json". Optional: realtime
- Method: POST
- Path: /api/check

## About the plan

- Plan: Free
- Who can get it: anyone

## The 25 fields the plan's answer can hold

domain, category, reason, matched on, disposable, historical disposable, mail routing status, mail routing reason, mail routing observed at, mail routing expires at, mail routing review required, MX found, MX records, MX providers, public domain, relay domain, free subdomain, alias, email, normalized email, domain authority, domain age in days, cached, latency, status code

## Disban's plans (2)

- [Disban, free, POST /api/check](https://datacircle.dev/validate-email-apis/disban/free-post-api-check/llms.txt): $0.00 per 1,000, 50% complete
- [Disban, free, Keyless](https://datacircle.dev/validate-email-apis/disban/free-keyless/llms.txt): $0.00 per 1,000, 33% complete

## Disban's calls (4)

- `POST /api/batch`: [Disban, free, POST /api/batch](https://datacircle.dev/validate-email-apis/disban/free-post-api-batch/llms.txt)
- `POST /api/check`: [Disban, free, POST /api/check](https://datacircle.dev/validate-email-apis/disban/free-post-api-check/llms.txt)
- `GET /api/v1/check/{input}`: [Disban, free, Keyless](https://datacircle.dev/validate-email-apis/disban/free-keyless/llms.txt)
- `POST /api/webhooks/check`: [Disban, free, POST /api/webhooks/check](https://datacircle.dev/validate-email-apis/disban/free-post-api-webhooks-check/llms.txt)

## Disban's APIs (1)

- [Disban: email verification API pricing, 2 plans, POST /api/check](https://datacircle.dev/validate-email-apis/disban/free-post-api-check/llms.txt)

## Disban: email verification API alternatives

- [email-validation.org, free credits, POST /v1/validate](https://datacircle.dev/validate-email-apis/email-validation-org/free-credits-post-v1-validate/llms.txt): $0.00 per 1,000, 50% complete, stored
- [pingutil, free API key, POST /v1/verify](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt): $0.00 per 1,000, 50% complete, 30 days
- [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
- [AtData, free](https://datacircle.dev/validate-email-apis/atdata/free/llms.txt): $0.00 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 2026-11-05.

- https://disban.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/api/plans?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/api/v1/check/sharklasers.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/methodology?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/privacy?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/support?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://disban.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing