# Sortwell, free: Email verification API

> Sortwell verifies email addresses before you send campaigns. Direct SMTP handshakes, MX record checks, disposable domain detection, and catch-all flags in a single fast JSON API.

Sortwell's Free plan for the email verification API costs $0.00 per 1,000 emails. We check each provider's docs for 6 fields. Sortwell's docs list 2: Deliverability, Confidence.
We haven't run Sortwell through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
This plan is free. We rank 4,767 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. [728 email verification API plans on our price sheet are free.](https://datacircle.dev/best-email-verification-api.txt) [pingutil's free plan](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) scores highest of the free plans in our benchmark, at 82.3 out of 100.
[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. [StableEnrich's pay-as-you-go plan](https://datacircle.dev/validate-email-apis/stableenrich/pay-as-you-go-pay-per-request-with-x402-or-mpp-post-api-minerva-validate-emails/llms.txt) costs the least for 10,000 emails a month: $0.05.
[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, and costs less up front than treg's top-up from $10.
[Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/9-90-monthly-9-90-month-get-api-v1-validate/llms.txt), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/sortwell/free
- [Email validation API: best verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://sortwell.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://www.sortwell.xyz/api/v1/verify`
- API key: with the plan, on https://sortwell.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://www.sortwell.xyz/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Sortwell (https://sortwell.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 33%
- Deliverability: ✓
- Confidence: ✓

## 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 calls that find nothing: $0.00

## Catch-all

- $ per 1,000 emails at catch-all domains: $0.00

## In their words

- Their pitch: Sortwell verifies email addresses before you send campaigns. Direct SMTP handshakes, MX record checks, disposable domain detection, and catch-all flags in a single fast JSON API.

## Data

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

## Plan

- Pay: $0
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email, Content-Type header "application/json"
- Method: POST
- Path: /api/v1/verify

## About the plan

- Plan: Free
- Who can get it: anyone

## The 6 fields the plan's answer can hold

status, confidence score, safe to send, disposable, catch-all, role

## Sortwell's plans (8)

- [Sortwell, free](https://datacircle.dev/validate-email-apis/sortwell/free/llms.txt): $0.00 per 1,000, 33% complete, live
- [Sortwell, $9 pack](https://datacircle.dev/validate-email-apis/sortwell/9-pack/llms.txt): $0.90 per 1,000, 33% complete, live
- [Sortwell, $19 pack](https://datacircle.dev/validate-email-apis/sortwell/19-pack/llms.txt): $0.76 per 1,000, 33% complete, live
- [Sortwell, $35 pack](https://datacircle.dev/validate-email-apis/sortwell/35-pack/llms.txt): $0.70 per 1,000, 33% complete, live
- [Sortwell, $60 pack](https://datacircle.dev/validate-email-apis/sortwell/60-pack/llms.txt): $0.60 per 1,000, 33% complete, live
- [Sortwell, $110 pack](https://datacircle.dev/validate-email-apis/sortwell/110-pack/llms.txt): $0.55 per 1,000, 33% complete, live
- [Sortwell, $210 pack](https://datacircle.dev/validate-email-apis/sortwell/210-pack/llms.txt): $0.42 per 1,000, 33% complete, live
- [Sortwell, $400 pack](https://datacircle.dev/validate-email-apis/sortwell/400-pack/llms.txt): $0.40 per 1,000, 33% complete, live

## Sortwell's calls (1)

- `POST /api/v1/verify`: [Sortwell, free](https://datacircle.dev/validate-email-apis/sortwell/free/llms.txt)

## Sortwell's APIs (1)

- [Sortwell Email verification API pricing, 8 plans](https://datacircle.dev/validate-email-apis/sortwell/free/llms.txt)

## Sortwell: email verification API alternatives

[Sortwell alternatives: other email verification API providers by price](https://datacircle.dev/sortwell-alternatives.txt)

We list Sortwell's cheapest paid plan first. Next we list other providers' plans closest to Sortwell in price per 1,000 emails. Each plan in the list gives live data.

- [Sortwell, $400 pack](https://datacircle.dev/validate-email-apis/sortwell/400-pack/llms.txt): $0.40 per 1,000, 33% complete, live
- [BillionVerify, $200 pack, Enterprise, POST /verify/bulk](https://datacircle.dev/validate-email-apis/billionverify/200-pack-enterprise-post-verify-bulk/llms.txt): $0.40 per 1,000, 67% complete, live
- [HeroBounce, $200 monthly, Pro, POST /validation/single](https://datacircle.dev/validate-email-apis/herobounce/200-monthly-pro-post-validation-single/llms.txt): $0.40 per 1,000, 67% complete, live
- [Sealch, $240 yearly, Yearly up to 50,000 / mo, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/240-yearly-yearly-up-to-50000-mo-post-api-verify/llms.txt): $0.40 per 1,000, 17% complete, live
- [Verimail, $1,000 pack](https://datacircle.dev/validate-email-apis/verimail/1000-pack/llms.txt): $0.40 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 2026-11-11.

- https://sortwell.xyz?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.sortwell.xyz/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing