SMS and voice APIs
Sinch privacy rating
Communications platform with APIs for SMS, MMS, RCS, WhatsApp, voice calls and phone number verification, with regional endpoints.
Summary
Sinch scores 25 out of 100 (grade F) on the SMS and voice APIs criteria. It meets 2 of 10 criteria: TLS configuration and EU data location. It partly meets security headers and message content deleted or redacted. It does not meet open source and no trackers or telemetry. Still needing evidence: no ads or data sales, independent audit, transparency report and tells users about requests. It is based in Sweden: Fourteen Eyes member; EU member (GDPR). Automated tests: SSL Labs grade A+ and Mozilla HTTP Observatory grade B+.
Score 25 out of 100. How scoring works
Criteria
- No
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The home page loads Google Analytics, Google Tag Manager, HubSpot, LinkedIn Insight, Meta Pixel, Microsoft Clarity and Reddit Pixel (automated test).
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Unknown
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Needs evidence. Add it
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Unknown
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
Needs evidence. Add it
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Unknown
Transparency report Weight 2 of 3
Does the provider regularly publish how many government and legal requests it receives and how it responds?
Needs evidence. Add it
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Unknown
Tells users about requests Weight 1 of 3
Does the provider promise to tell users about requests for their data, unless a court forbids it?
Needs evidence. Add it
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Partial
Message content deleted or redacted Weight 3 of 3
Can the text of messages be kept from being stored after delivery?
SMS message logs are kept for 14 days, then depersonalized and archived. Sent messages cannot be deleted on request.
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Yes
EU data location Weight 1 of 3
Can messages, call records and logs be processed and stored in the European Union?
An EU endpoint serves the SMS API from servers in Ireland and Sweden. Staff and providers outside the EU may have access.
Automated tests
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Yes
TLS configuration Weight 2 of 3
Does the website pass the Qualys SSL Labs test with a grade of A or better?
Grade A+
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Partial
Security headers Weight 1 of 3
Does the website pass the Mozilla HTTP Observatory test with a grade of A or better?
Grade B+ (80/100+)
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Not tested yet
Modern web standards Weight 1 of 3
Does the website score 90% or higher on the Internet.nl website test?
Not tested yet.