Non-EU vendorCaptcha & Bot DetectionHeadquarters: CN

Tencent Cloud Captcha: sovereignty score and 8 European alternatives

Tencent Cloud Captcha is a behavioural CAPTCHA service of Tencent Cloud, the cloud platform of the Chinese technology group Tencent. It aims to separate human users from automated traffic on websites and apps. The service is delivered as a cloud API: customers add a front-end component and verify the resulting token on their own server, with SDK support for PHP, Python, Java, Go, C++ and Node.js.

Tencent is headquartered in Shenzhen, China, so the operator falls under Chinese jurisdiction. The API documentation lists regional endpoints across Asia, North America, South America and Europe, including Frankfurt, so EU processing depends on the region the customer selects. The vendor's product pages do not state where verification data is stored and offer no GDPR statement. European organisations should therefore confirm the region, the data location and the processing terms, and check which device and IP signals are sent.

See the 8 European alternatives ↓Assess your stack with Tencent Cloud Captcha pre-selected

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Sovereignty score

42 / 1000 = high exposure
100 = sovereign

Jurisdiction SOV-250
Headquartered outside the EU (CN)
Data residency SOV-350
Hosting inside and outside Europe (EU, US, OTHER)
Cryptographic key sovereignty SOV-340
Key management with a non-European vendor
Freedom from lock-in SOV-640
Closed source: switching requires data migration
Source & runtime sovereignty SOV-4 · SOV-630
Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 11, 2026

Headquarters	CN (OTHER)Verified by hand
EU adequacy decision	No — no adequacy decisionVerified by hand
Sovereignty model	Vendor-hosted (non-EU)Verified by hand
Data hosting	EU, US, OTHERVerified by hand
Open-source	NoVerified by hand
GDPR-compliant	NoVendor-stated
Category	Captcha & Bot Detection
Type	Product
Website	cloud.tencent.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Tencent Cloud Captcha

The European alternatives to Tencent Cloud Captcha come from our knowledge base of over 6,800 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

15 European Captcha & Bot Detection vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with Tencent Cloud Captcha

Tencent Cloud Captcha is headquartered in CN, outside the EU. Contracts and data therefore also fall under non-European law. The GDPR applies through contractual terms, but in a conflict with local legislation you have less certainty than with a European vendor.

Tencent Cloud Captcha hosts data in EU, US, OTHER. Exactly what stays within the EU — and what does not — is defined by the vendor's data processing agreement and sub-processor list, not by a setting you control yourself; check those documents for the precise scope, including backups, logs and support access.

Tencent Cloud Captcha is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs Tencent Cloud Captcha together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to Tencent Cloud Captcha?

It depends on your use case. Strong EU alternatives to Tencent Cloud Captcha include ALTCHA, ALTCHA Sentinel and Atmosvere. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Tencent Cloud Captcha?

Yes. Open-source EU alternatives to Tencent Cloud Captcha include ALTCHA and CaptchaService (Stad München). These keep your data fully under your own control and let you self-host if you want to.

Is Tencent Cloud Captcha GDPR-compliant and where is the data hosted?

Tencent Cloud Captcha is headquartered in CN (OTHER) and hosts data in EU, US, OTHER. Its GDPR compliance is limited or unclear. For full EU data residency the EU alternatives on this page usually offer more certainty.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 11, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

Digital sovereignty in Captcha & Bot Detection

Captcha & Bot Detection: Services that detect whether a real user or bot is visiting a website. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

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