# Tuski, pay as you go: Email verification API

> Tuski sends controlled probes, matches returned delivery-status notifications, and classifies observed outcomes with rules-based classification and pattern matching.

Tuski's email verification API on its Pay per address plan. It costs $10.00 per 1,000 emails. It returns 3 of the 6 key fields we check: Address, Deliverability, Confidence.
In [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), this plan scores 46.0 out of 100. Tuski ranks 39th of 197 providers.
Half of the 3,886 plans we rank by price cost $1.998 per 1,000 emails or less. This plan costs less per 1,000 emails than 9% of the 3,886 plans.
[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.
[pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify/llms.txt), [MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt) and [Giggal](https://datacircle.dev/validate-email-apis/giggal/39-pack-50000-credits-post-v1-verify/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/tuski/pay-as-you-go
- [Email validation API: 190+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://agents.tuski.ai/zcj/kcuuss778pzd/manifest.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://agents.tuski.ai/zcj/kcuuss778pzd/api/v1/email-validation/jobs`
- API key: not needed
- Its API docs: https://tuski.ai/developers/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Tuski (https://tuski.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-05

## In the answer

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

## Score

- Overall score: 46.0
- Price score: 5
- Accuracy score: 97
- Cost to get started score: 100
- Bundle score: 0
- Performance score: 0. We could not measure how fast this provider answers a call, so we count it as 0.

## Price

- $ per 1,000 emails: $10.00
- Per: result
- Billing: pay as you go

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Catch-all

- $ per 1,000: $10.00

## In their words

- Their pitch: Tuski sends controlled probes, matches returned delivery-status notifications, and classifies observed outcomes with rules-based classification and pattern matching.

## Data

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

## Plan

- Pay: per call

## Rate limit

- Batch: 100,000

## Speed

- Answer: by polling or webhook

## The call

- You send: Idempotency-Key header. Optional: emails, csv_text, fresh_probe
- Method: POST
- Path: /api/v1/email-validation/jobs

## About the plan

- Plan: Pay per address
- Who can get it: anyone

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

email, status, verdict, quality score

## Tuski's plans (6)

- [Tuski, pay as you go](https://datacircle.dev/validate-email-apis/tuski/pay-as-you-go/llms.txt): $10.00 per 1,000, 50% complete
- [Tuski, top-up from $3](https://datacircle.dev/validate-email-apis/tuski/top-up-from-3/llms.txt): $6.00 per 1,000, 50% complete
- [Tuski, top-up from $55](https://datacircle.dev/validate-email-apis/tuski/top-up-from-55/llms.txt): $5.50 per 1,000, 50% complete
- [Tuski, top-up from $100](https://datacircle.dev/validate-email-apis/tuski/top-up-from-100/llms.txt): $4.00 per 1,000, 50% complete
- [Tuski, top-up from $180](https://datacircle.dev/validate-email-apis/tuski/top-up-from-180/llms.txt): $3.60 per 1,000, 50% complete
- [Tuski, $150 monthly](https://datacircle.dev/validate-email-apis/tuski/150-monthly/llms.txt): $1.00 per 1,000, 50% complete

## Tuski's calls for this API (1)

- `POST /api/v1/email-validation/jobs`: [Tuski, pay as you go](https://datacircle.dev/validate-email-apis/tuski/pay-as-you-go/llms.txt)

## Tuski's APIs (2)

- [Tuski: email verification API pricing, 6 plans](https://datacircle.dev/validate-email-apis/tuski/pay-as-you-go/llms.txt)
- [Tuski: company discovery API pricing, 1 plan](https://datacircle.dev/company-discovery-apis/tuski/99-pack/llms.txt)

## Tuski: email verification API alternatives

- [InboxPolicy, pay as you go, Pay-per-call (x402), POST /v1/decide](https://datacircle.dev/validate-email-apis/inboxpolicy/pay-as-you-go-pay-per-call-x402-post-v1-decide/llms.txt): $10.00 per 1,000, 50% complete, 72 hours
- [Catch-all Verifier, $25 pack, 2,500 Credits, POST /api/v1/verify/single](https://datacircle.dev/validate-email-apis/catch-all-verifier/25-pack-2500-credits-post-api-v1-verify-single/llms.txt): $10.00 per 1,000, 33% complete, live
- [Clearout, $1,000 pack, 500,000 credits, POST /email_verify/instant, Instant Verify, full](https://datacircle.dev/validate-email-apis/clearout/1000-pack-500000-credits-post-email-verify-instant-instant-verify-full/llms.txt): $10.00 per 1,000, 50% complete, live
- [SyncGTM, $50 pack](https://datacircle.dev/validate-email-apis/syncgtm/50-pack/llms.txt): $10.00 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 2026-11-05.

- https://agents.tuski.ai/zcj/kcuuss778pzd/guides/quickstart.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agents.tuski.ai/zcj/kcuuss778pzd/guides/results-and-csv.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agents.tuski.ai/zcj/kcuuss778pzd/guides/verdicts-and-score.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agents.tuski.ai/zcj/kcuuss778pzd/manifest.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agents.tuski.ai/zcj/kcuuss778pzd/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://agents.tuski.ai/zcj/lb9otpyxzl01/terms.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tuski.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tuski.ai/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tuski.ai/developers/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing