Comparison

Overview

Company snapshot and where each provider is based.

FieldBirdSMSAPI
What it isCommunications infrastructure platform (formerly MessageBird) providing unified APIs for email, SMS, WhatsApp and voice on a network that carries about 40% of the world's commercial SMS volume.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
Employees500-1,00051-200
HQ cityAmsterdamGliwice
HQ countryNetherlands (EU)Poland (EU)
What's the differenceBird edges ahead on the overall messaging.dev Score (76 vs 44). Bird is private and headquartered in Amsterdam, Netherlands (EU); SMSAPI is public and based in Gliwice, Poland (EU).

Channels

Which messaging channels each provider can send and receive on.

FieldBirdSMSAPI
SMSYesYes
MMSNoYes
RCSNoYes
WhatsAppYesYes
ViberNoNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceYesYes
EmailYesNo
What's the differenceThey share 3 channels. Bird additionally offers Email, while SMSAPI additionally offers MMS, RCS.

Developer Experience

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

FieldBirdSMSAPI
Self-service onboardingYesYes
Free developer creditFree email tier (1,000/month)Free test SMS on signup
Docs qualityhighhigh
DocumentationOpen ↗Open ↗
SDKsTypeScript, Python, GoPHP, Python, JavaScript, Java, C#, Go, Bash
Sandbox / test envYesYes
API typesREST, SMTPREST, SMTP
What's the differenceOn SDKs, Bird adds TypeScript; SMSAPI adds PHP, JavaScript, Java, C#, Bash.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldBirdSMSAPI
EU data residencyYesYes
US data residencyYesNo
Choose regionYesNo
GDPRYesYes
ISO 27001YesYes
SOC 2YesNo
HIPAAYesNo
What's the differenceBird offers US data residency, while SMSAPI does not; Bird offers Choose region, while SMSAPI does not; Bird offers SOC 2, while SMSAPI does not; Bird offers HIPAA, while SMSAPI does not.

Data Retention

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

FieldBirdSMSAPI
Retention policyPrivacy statement: for telecom products (SMS, email, voice), metadata and traffic data are retained for 6 months after transmission, extended up to two years where local law requires; email message content is held for at most 72 hours.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 differenceBird: Privacy statement: for telecom products (SMS, email, voice), metadata and traffic data are retained for 6 months after transmission, extended up to two years where local law requires; email message content is held for at most 72 hours. 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.

FieldBirdSMSAPI
Pricing modelUsage-based transactional pricing with no platform or seat fees: volume-tiered email subscriptions (free tier, then e.g. $15/month for 50K emails) and published per-country per-message SMS rates; WhatsApp priced by destination country and message category.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$0.0073 per message to US numbers (long code, toll-free and short code; carrier fees extra), per-country pricing grid publishedFrom ~€0.04 per SMS (international, varies by destination country)
Free developer creditFree email tier (1,000/month)Free test SMS on signup
What's the differenceBird and SMSAPI are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBirdSMSAPI
Countries covered1500
Direct operator connectionsYesNo
Published uptime SLA99.95% (legacy MessageBird SLA; current SLAs are per-service-plan in Order Form terms)No published SLA
What's the differenceBird leads on Countries covered (150 vs 0 for SMSAPI); Bird offers Direct operator connections, while SMSAPI does not.

Company & Trust

Independent reviews and company profile.

FieldBirdSMSAPI
G2 rating3.90.0
G2 reviews730
Ownershipprivatepublic
Employees500-1,00051-200
What's the differenceBird leads on G2 rating (3.9 vs 0 for SMSAPI); Bird leads on G2 reviews (73 vs 0 for SMSAPI).

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