# Syvel, free: Email verification API

> Block fake emails before they reach your CRM. Typo detection, role addresses, disposable domains — one API call. 100% sovereign, hosted in France.

Syvel'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, Confidence.
We haven't run Syvel through [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt) yet.
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/syvel/free
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://syvel.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `GET https://api.syvel.io/v1/check/{email_or_domain}`
- API key: with the plan, on https://syvel.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://syvel.io/docs/api/check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Syvel (https://syvel.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: GET /v1/public/top-domains · GET /v1/public/domain/{domain}

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Block fake emails before they reach your CRM. Typo detection, role addresses, disposable domains — one API call. 100% sovereign, hosted in France.

## Data

- What it checks: format, mail servers, disposable domains, role addresses
- Keep data: no limit
- Use data: The following are expressly prohibited: using the API to validate email lists purchased, rented or obtained without consent of the data subjects, using the API for spam campaigns or unsolicited commercial communications not compliant with applicable regulations (GDPR, ePrivacy Directive), using the Service to harass, threaten or harm individuals, any attempt to circumvent quotas or manipulate the billing system, reselling or sub-licensing API results to third parties without prior written agreement from Syvel

## Plan

- Pay: €0
- You get: 100 requests a month
- Enough for: 100 calls a month
- Expires: quota resets on the 1st of each month at 00:00 UTC

## Rate limit

- Per second: 100
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email_or_domain
- Method: GET
- Path: /v1/check/{email_or_domain}

## About the plan

- Plan: Free
- Who can get it: anyone

## The 10 fields the plan's answer can hold

email, risky, risk score, reason, free provider, corporate email, did you mean, alias email, MX provider, deliverability score

## Syvel's plans (4)

- [Syvel, free](https://datacircle.dev/validate-email-apis/syvel/free/llms.txt): $0.00 per 1,000, 50% complete
- [Syvel, €9 monthly](https://datacircle.dev/validate-email-apis/syvel/9-monthly/llms.txt): $10.128 per 1,000, 50% complete
- [Syvel, €49 monthly](https://datacircle.dev/validate-email-apis/syvel/49-monthly/llms.txt): $5.514 per 1,000, 50% complete
- [Syvel, €199 monthly](https://datacircle.dev/validate-email-apis/syvel/199-monthly/llms.txt): $2.239 per 1,000, 50% complete

## Syvel's calls (1)

- `GET /v1/check/{email_or_domain}`: [Syvel, free](https://datacircle.dev/validate-email-apis/syvel/free/llms.txt)

## Syvel's APIs (1)

- [Syvel: email verification API pricing, 4 plans](https://datacircle.dev/validate-email-apis/syvel/free/llms.txt)

## Syvel: email verification API alternatives

- [mailfloss, $940 yearly, Business 35,000 credits/month, billed annually, GET /v1/verify](https://datacircle.dev/validate-email-apis/mailfloss/940-yearly-business-35000-credits-month-billed-annually-get-v1-verify/llms.txt): $2.238 per 1,000, 50% complete, live
- [Mailerio, $56 pack, Pay as you go 25,000 emails, GET /v{version}/validate](https://datacircle.dev/validate-email-apis/mailerio/56-pack-pay-as-you-go-25000-emails-get-v-version-validate/llms.txt): $2.24 per 1,000, 67% complete, live
- [Argorant, $449 monthly](https://datacircle.dev/validate-email-apis/argorant/449-monthly/llms.txt): $2.245 per 1,000, 0% complete
- [OxiBounce, €499 pack, 250 000 vérifications, POST /check](https://datacircle.dev/validate-email-apis/oxibounce/499-pack-250-000-verifications-post-check/llms.txt): $2.246 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 2026-11-02.

- https://syvel.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/docs/api/check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/docs/api/public?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/docs/guides/errors?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/docs/guides/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://syvel.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.syvel.io/legal/cgv?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.syvel.io/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing