Comparison

Overview

Company snapshot and where each provider is based.

Field46elksSMSAPI
What it isSwedish telecom API platform ("telecom infrastructure for the web") for sending and receiving SMS and MMS, making and receiving phone calls, and managing virtual phone numbers.A Polish business-messaging platform (a brand of LINK Mobility Poland, part of LINK Mobility Group) offering bulk SMS, MMS, VMS voice, RCS and WhatsApp Business messaging via REST API and a web interface.
Founded20112007
Ownershipprivatepublic
Employees10-5051-200
HQ cityUppsalaGliwice
HQ countrySweden (EU)Poland (EU)
What's the differenceSMSAPI edges ahead on the overall messaging.dev Score (44 vs 33). 46elks is private and headquartered in Uppsala, Sweden (EU); SMSAPI is public and based in Gliwice, Poland (EU).

Channels

Which messaging channels each provider can send and receive on.

Field46elksSMSAPI
SMSYesYes
MMSYesYes
RCSNoYes
WhatsAppNoYes
ViberNoNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceYesYes
EmailNoNo
What's the differenceThey share 3 channels. SMSAPI additionally offers RCS, WhatsApp.

Developer Experience

How quickly a developer can sign up and send a first message.

Field46elksSMSAPI
Self-service onboardingYesYes
Free developer creditNoFree test SMS on signup
Docs qualitymedhigh
DocumentationOpen ↗Open ↗
SDKsPHP, Python, JavaScript, Java, C#, Go, Bash
Sandbox / test envYesYes
API typesRESTREST, SMTP
What's the differenceOn SDKs, SMSAPI adds PHP, Python, JavaScript, Java, C#, Go, Bash; on API types, SMSAPI adds SMTP.

Data & Compliance

Data residency options and enterprise compliance certifications.

Field46elksSMSAPI
EU data residencyYesYes
US data residencyNoNo
Choose regionNoNo
GDPRYesYes
ISO 27001NoYes
SOC 2NoNo
HIPAANoNo
What's the differenceSMSAPI offers ISO 27001, while 46elks does not.

Data Retention

How long message content and metadata are stored, and whether that is configurable.

Field46elksSMSAPI
Retention policyNot publicly documented in detail. 46elks' data protection policy states that personal data stays inside the EU on servers owned by 46elks and that system backups are stored for a maximum of 14 days; specific retention periods for message content and metadata are not published, and the service operates under EU ePrivacy directive 2002/58/EG and Swedish telecom law (LEK 2022:482, PTS rules).Messages are stored in accordance with applicable law and disclosed only when required by a lawful request; phone numbers are used solely for SMS campaign purposes. No specific retention period is publicly documented. All data is held within the EEA on two redundant data centers in Poland (ATMAN and T-Mobile, over 150 km apart).
What's the difference46elks: Not publicly documented in detail. 46elks' data protection policy states that personal data stays inside the EU on servers owned by 46elks and that system backups are stored for a maximum of 14 days; specific retention periods for message content and metadata are not published, and the service operates under EU ePrivacy directive 2002/58/EG and Swedish telecom law (LEK 2022:482, PTS rules). SMSAPI: Messages are stored in accordance with applicable law and disclosed only when required by a lawful request; phone numbers are used solely for SMS campaign purposes. No specific retention period is publicly documented. All data is held within the EEA on two redundant data centers in Poland (ATMAN and T-Mobile, over 150 km apart).

Pricing & Credits

Pricing model and the cost of a first message.

Field46elksSMSAPI
Pricing modelPay-as-you-go per message/minute from a prepaid account balance, with no startup fees and no minimum monthly costs.Pay-as-you-go prepaid credit — pay only for sent messages with no setup fee or contract; minimum top-up around €30.
SMS starting price€0.047 per SMS part to Sweden (ex VAT); prices vary by destination countryFrom ~€0.04 per SMS (international, varies by destination country)
Free developer creditNoFree test SMS on signup
What's the difference46elks and SMSAPI are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

Field46elksSMSAPI
Countries covered2150
Direct operator connectionsNoNo
Published uptime SLANo published uptime SLA (business-hours support SLA only; extended SLA available on request)No published SLA
What's the difference46elks leads on Countries covered (215 vs 0 for SMSAPI).

Company & Trust

Independent reviews and company profile.

Field46elksSMSAPI
G2 rating0.00.0
G2 reviews00
Ownershipprivatepublic
Employees10-5051-200
What's the difference46elks and SMSAPI are closely matched on company & trust — no material differences in the tracked fields.

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