No. 18 of 76 ·Transactional SMS Software

MessageFlow SMS API

Web · API

Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

MessageFlow SMS API is ranked #18 of 76 in transactional SMS software on Freedom251. It runs on API, Web. A free trial is offered.

MessageFlow SMS API plans and pricing

All plans

Advanced Not published 199 / mth; 159 EUR / mth for the first six months for new users Up to 50 000 contacts · No limit on marketing emails · 50,000 API-triggered emails · 5,000 SMS messageflow.com · 7 Oct 2026

Mix and Match Not published Minimum subscription is 465 EUR per month Custom combination of SMS, RCS, email, and mobile push · Minimum subscription fully available for message sends messageflow.com · 7 Oct 2026

Starter Not published 89 / mth; 69 EUR / mth for the first six months for new users Up to 10 000 contacts · 20,000 marketing emails · 10,000 API-triggered emails · SMS not included messageflow.com · 7 Oct 2026

Prime Not published 369 / mth; 299 EUR / mth for the first six months for new users Up to 100 000 contacts · No limit on marketing emails · 150,000 API-triggered emails · 10,000 SMS messageflow.com · 7 Oct 2026

Grow Not published 159 / mth; 109 EUR / mth for the first six months for new users Up to 20 000 contacts · 100,000 marketing emails · 20,000 API-triggered emails · 1,000 SMS messageflow.com · 7 Oct 2026

Enterprise Not published Get a quote Unlimited contacts · Unlimited users · Custom onboarding · Priority and dedicated support option · SLA messageflow.com · 7 Oct 2026

Compared on transactional SMS software

Free plan: No
SMS API: Yes
Delivery status: Yes
Webhooks: Yes
Two-way messaging: Yes
Monthly message limit: 0 messages/mo

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The record

Product: MessageFlow offers a platform for cross-channel business communication, including SMS campaigns, transactional notifications, and business-critical messages.
Throughput: The SMS page states that the service sends 6M SMS messages per hour and lists an SMS delivery time of < 3.5 s.
Scale: The SMS page says MessageFlow can support campaigns reaching tens of thousands to tens of millions of recipients.
SMS features: SMS campaign tools include branded sender names, replies, personalization, dynamic audience segments, and campaign performance measurement.
Monitoring: SMS performance tools show Pending, Sent, and Error statuses in real time and monitor clicks on tracked links.
Abuse protection: Shield 360 analyzes message content and embedded links in real time to detect phishing, smishing, and other abuse.
Consent controls: SMS compliance features include automated opt-out handling and a configurable unsubscribe page.
Integrations: The integration catalog lists SMS API integrations for ManagoAI, Microsoft Azure Marketplace, Salesforce Marketing Cloud, and Synerise.
Security: MessageFlow says customer data is processed and stored exclusively within the EEA and encrypted in transit.
Access controls: The platform provides two-factor authentication by default, IP-based access controls, roles and permissions, and activity logs.
Compliance: The security page lists ISO 27001:2022, ISO 22301:2019, and ISO 27018:2019 certifications and describes NIS2 and DORA compliance.
Support: The homepage describes 24/7 support with a premium SLA, a dedicated Customer Success Specialist, consultations, and audits.
Trial limits: The 30-day trial includes 100 SMS, 100 emails, and up to 100 contacts; trial SMS are configured for Polish phone numbers by default.
Notable limits: For the Grow, Advanced, and Prime plans, included SMS pools apply only to selected destinations and one chosen country, and additional SMS are subject to individual pricing.

Where it ranks on Freedom251

Best Transactional SMS Software in 2026#18 of 76

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Sources

messageflow.com/sms-marketing/· checked 7 Oct 2026
messageflow.com/security/· checked 7 Oct 2026
messageflow.com/integrations/· checked 7 Oct 2026
messageflow.com· checked 7 Oct 2026
messageflow.com/pricing/· checked 7 Oct 2026