Comparison

Overview

Company snapshot and where each provider is based.

FieldBirdMitto
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.Swiss omnichannel CPaaS provider offering SMS, RCS, WhatsApp, Viber, Telegram, Facebook Messenger and voice messaging APIs for business communications.
Founded20112013
Ownershipprivateprivate
Employees500-1,000100-250
HQ cityAmsterdamZug
HQ countryNetherlands (EU)Switzerland
What's the differenceBird edges ahead on the overall messaging.dev Score (76 vs 48). Bird is private and headquartered in Amsterdam, Netherlands (EU); Mitto is private and based in Zug, Switzerland.

Channels

Which messaging channels each provider can send and receive on.

FieldBirdMitto
SMSYesYes
MMSNoNo
RCSNoYes
WhatsAppYesYes
ViberNoYes
Facebook MessengerNoYes
TelegramNoYes
Apple Messages for BusinessNoNo
VoiceYesYes
EmailYesNo
What's the differenceThey share 3 channels. Bird additionally offers Email, while Mitto additionally offers RCS, Viber, Facebook Messenger, Telegram.

Developer Experience

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

FieldBirdMitto
Self-service onboardingYesYes
Free developer creditFree email tier (1,000/month)No
Docs qualityhighmed
DocumentationOpen ↗Open ↗
SDKsTypeScript, Python, Go
Sandbox / test envYesYes
API typesREST, SMTPREST, SMPP
What's the differenceOn SDKs, Bird adds TypeScript, Python, Go; on API types, Bird adds SMTP; Mitto adds SMPP.

Data & Compliance

Data residency options and enterprise compliance certifications.

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

Data Retention

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

FieldBirdMitto
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.Per-message retention of content (textRetention) and of the recipient number (toRetention) can be set per API request to Undefined, Retain, or Discard; no global retention duration is publicly documented. Per the privacy policy, account/registration data is kept until deletion is requested and contact-form data until the conversation ends.
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. Mitto: Per-message retention of content (textRetention) and of the recipient number (toRetention) can be set per API request to Undefined, Retain, or Discard; no global retention duration is publicly documented. Per the privacy policy, account/registration data is kept until deletion is requested and contact-form data until the conversation ends.

Pricing & Credits

Pricing model and the cost of a first message.

FieldBirdMitto
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 — pay only for what you use with no contracts, plus volume discounts and custom plans via sales.
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
Free developer creditFree email tier (1,000/month)No
What's the differenceBird and Mitto are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldBirdMitto
Countries covered150230
Direct operator connectionsYesYes
Published uptime SLA99.95% (legacy MessageBird SLA; current SLAs are per-service-plan in Order Form terms)No published SLA
What's the differenceMitto leads on Countries covered (230 vs 150 for Bird).

Company & Trust

Independent reviews and company profile.

FieldBirdMitto
G2 rating3.94.0
G2 reviews732
Ownershipprivateprivate
Employees500-1,000100-250
What's the differenceMitto leads on G2 rating (4 vs 3.9 for Bird); Bird leads on G2 reviews (73 vs 2 for Mitto).

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