EU Sovereignty Score
EU sovereignSMS APIsHeadquarters: SE

Cellsynt: sovereignty score and 8 European alternatives

Cellsynt provides an SMS gateway that lets businesses and organisations send text messages from their own systems. According to the vendor's HTTP interface documentation and a third-party Perl client, sending works through an HTTP request to the gateway, and a Cellsynt account is required. The documentation covers delivery reports and supports text, Unicode, binary and long messages. The service is offered as a hosted online gateway; no self-hosted version was found.

Cellsynt AB is a Swedish company registered in the Swedish company register with an address in Helsingborg. Its owner or parent company was not identified in the sources consulted. The website does not state where messages or customer data are hosted and does not mention the GDPR. The Swedish seat within the EU is relevant, but the location of the infrastructure has not been confirmed by the provider. A European organisation should request that location in writing before use.

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Sovereignty score
71 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-2100
    Headquartered in the EU: European law applies
  • Data residency SOV-3100
    EU-only hosting
  • Cryptographic key sovereignty SOV-360
    Key management with a European vendor
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-655
    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 10, 2026
HeadquartersSE (EU)Verified by hand
Sovereignty modelVendor-hosted (EU)Verified by hand
Data hostingEUVerified by hand
Open-sourceNoVerified by hand
GDPR-compliantNoVendor-stated
CategorySMS APIs
TypeProduct
Websitecellsynt.com ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to Cellsynt

The European alternatives to Cellsynt come from our knowledge base of over 6,200 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

33 European SMS APIs 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 Cellsynt

Cellsynt is headquartered in SE and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.

Data is hosted exclusively in the EU, so Cellsynt scores best on data residency.

Cellsynt 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 Cellsynt 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 Cellsynt?

It depends on your use case. Strong EU alternatives to Cellsynt include 46elks, Agile Telecom and AnyMessage. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to Cellsynt?

Our list of EU alternatives to Cellsynt is mostly commercial options. Browse the category on the map for open-source choices.

Is Cellsynt GDPR-compliant and where is the data hosted?

Cellsynt is headquartered in SE (EU) and hosts data in EU. That makes Cellsynt an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

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 10, 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 SMS APIs

SMS APIs: API services for sending SMS messages to customers. 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.

Also in this category

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8 European alternatives to Cellsynt — GDPR-compliant & EU-hosted · EU Sovereignty Score