Comparison

Overview

Company snapshot and where each provider is based.

FieldBirdBulkSMS
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.Business messaging platform for sending bulk SMS and RCS to mobile networks worldwide via web app, API, and SMPP.
Founded20112000
Ownershipprivateprivate
Employees500-1,00011-50
HQ cityAmsterdamCape Town
HQ countryNetherlands (EU)South Africa
What's the differenceBird edges ahead on the overall messaging.dev Score (76 vs 43). Bird is private and headquartered in Amsterdam, Netherlands (EU); BulkSMS is private and based in Cape Town, South Africa.

Channels

Which messaging channels each provider can send and receive on.

FieldBirdBulkSMS
SMSYesYes
MMSNoNo
RCSNoYes
WhatsAppYesNo
ViberNoNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessNoNo
VoiceYesNo
EmailYesNo
What's the differenceThey share 1 channels. Bird additionally offers WhatsApp, Voice, Email, while BulkSMS additionally offers RCS.

Developer Experience

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

FieldBirdBulkSMS
Self-service onboardingYesYes
Free developer creditFree email tier (1,000/month)5 free test SMS on signup
Docs qualityhighmed
DocumentationOpen ↗Open ↗
SDKsTypeScript, Python, Go
Sandbox / test envYesNo
API typesREST, SMTPREST, HTTP, SMPP, SMTP
What's the differenceOn SDKs, Bird adds TypeScript, Python, Go; Bird offers Sandbox / test env, while BulkSMS does not; on API types, BulkSMS adds HTTP, SMPP.

Data & Compliance

Data residency options and enterprise compliance certifications.

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

Data Retention

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

FieldBirdBulkSMS
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.Message data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest.
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. BulkSMS: Message data (content and metadata) is retained for 2 years and then automatically deleted from the system. Account/client data is kept for the duration of service use plus about 7 years after termination. EU-related client data is stored in AWS datacentres in Ireland with encryption at rest.

Pricing & Credits

Pricing model and the cost of a first message.

FieldBirdBulkSMS
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 credits: you buy credits and pay per outbound SMS, with per-message rates varying by destination network and country; no monthly, setup, or contract fees.
SMS starting price$0.0073 per message to US numbers (long code, toll-free and short code; carrier fees extra), per-country pricing grid publishedNot published (rates shown per destination network via an interactive slider/quote, not a single headline price)
Free developer creditFree email tier (1,000/month)5 free test SMS on signup
What's the differenceBird and BulkSMS are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBirdBulkSMS
Countries covered150213
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 differenceBulkSMS leads on Countries covered (213 vs 150 for Bird); Bird offers Direct operator connections, while BulkSMS does not.

Company & Trust

Independent reviews and company profile.

FieldBirdBulkSMS
G2 rating3.94.6
G2 reviews73266
Ownershipprivateprivate
Employees500-1,00011-50
What's the differenceBulkSMS leads on G2 rating (4.6 vs 3.9 for Bird); BulkSMS leads on G2 reviews (266 vs 73 for Bird).

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