# Endereco, free, Ohne Kosten für Entwickler: Email verification API

> Finde ungültige E-Mail-Adressen, die nicht zustellbar sind.

Endereco's email verification API on its Ohne Kosten für Entwickler plan. It costs $0.00 per 1,000 emails. It returns 1 of the 6 key fields we check: Deliverability.
We haven't run Endereco 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/endereco/free-ohne-kosten-fur-entwickler
- [Email validation API: 160+ providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://www.endereco.de/preise/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://endereco-service.de/rpc/v1`
- API key: with the plan, on https://www.endereco.de/preise/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://github.com/Endereco/enderecoservice_api/blob/master/services/email-check.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: Endereco (https://www.endereco.de?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-03

## In the answer

- Completeness: 17%
- Deliverability: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Finde ungültige E-Mail-Adressen, die nicht zustellbar sind.

## Data

- Freshness: live
- What it checks: format, mail servers, disposable domains, mailbox
- Keep data: no limit
- Use data: Dem Kunden ist es untersagt, vom Anbieter gelieferte Daten außerhalb des in diesem Vertrag und seinen Anlagen geregelten Nutzungsumfangs zu nutzen. Ihm ist es insbesondere untersagt, die Daten Dritten zu überlassen, die Daten an Dritte zu verkaufen oder Dritten sonst wie Nutzungsrechte unter Umgehung dieses Vertrages einzuräumen.

## Plan

- Pay: €0
- You get: 250 requests a month
- Enough for: 250 calls a month

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: Content-Type header "application/json", jsonrpc "2.0", id, method "emailCheck", params.email. Optional: X-Transaction-Id header
- Method: POST
- Path: /rpc/v1

## About the plan

- Plan: Ohne Kosten für Entwickler
- Who can get it: developers who sign its data processing agreement

## The only field the plan's answer can hold

status

## Endereco's plans (5)

- [Endereco, free, Ohne Kosten für Entwickler](https://datacircle.dev/validate-email-apis/endereco/free-ohne-kosten-fur-entwickler/llms.txt): $0.00 per 1,000, 17% complete, live
- [Endereco, free, Testphase](https://datacircle.dev/validate-email-apis/endereco/free-testphase/llms.txt): $0.00 per 1,000, 17% complete, live
- [Endereco, pay as you go, Pro: 10,000-50,000 API requests a month](https://datacircle.dev/validate-email-apis/endereco/pay-as-you-go-pro-10000-50000-api-requests-a-month/llms.txt): $11.253 per 1,000, 17% complete, live
- [Endereco, pay as you go, Expert: 1-10,000 API requests a month](https://datacircle.dev/validate-email-apis/endereco/pay-as-you-go-expert-1-10000-api-requests-a-month/llms.txt): $22.506 per 1,000, 17% complete, live
- [Endereco, contact us](https://datacircle.dev/validate-email-apis/endereco/contact-us/llms.txt): 17% complete, live

## Endereco's calls (1)

- `POST /rpc/v1`: [Endereco, free, Ohne Kosten für Entwickler](https://datacircle.dev/validate-email-apis/endereco/free-ohne-kosten-fur-entwickler/llms.txt)

## Endereco's APIs (2)

- [Endereco: email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/endereco/free-ohne-kosten-fur-entwickler/llms.txt)
- [Endereco: phone validation API pricing, 5 plans](https://datacircle.dev/validate-phone-apis/endereco/free-ohne-kosten-fur-entwickler/llms.txt)

## Endereco: email verification API alternatives

- [Findymail, $3,990 yearly](https://datacircle.dev/validate-email-apis/findymail/3990-yearly/llms.txt): $11.083 per 1,000, 33% complete, live
- [lemlist, $2,240 pack](https://datacircle.dev/validate-email-apis/lemlist/2240-pack/llms.txt): $11.20 per 1,000, 33% complete, live
- [emailfinder.dev, €4,788 yearly](https://datacircle.dev/validate-email-apis/emailfinder-dev/4788-yearly/llms.txt): $11.225 per 1,000, 33% complete, live
- [OxiBounce, €10 pack, 1 000 vérifications, POST /check](https://datacircle.dev/validate-email-apis/oxibounce/10-pack-1-000-verifications-post-check/llms.txt): $11.253 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 2026-11-03.

- https://github.com/Endereco/enderecoservice_api/blob/master/guidelines/sessions-guideline.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://github.com/Endereco/enderecoservice_api/blob/master/readme.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://github.com/Endereco/enderecoservice_api/blob/master/services/email-check.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.endereco.de?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.endereco.de/agb/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.endereco.de/dokumentation/test-docu/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.endereco.de/preise/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://www.endereco.de/wp-content/uploads/2026/04/AGB-Endereco-mit-Anlagen_27042026.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing