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Free plan
Linq Alternatives with Free plan
84 providers support free plan: free plan or free sandbox.
Providers with free plan
Photon
Open-source agent framework with managed iMessage
Starting price
$25/month (Pro)
Free plan
Free: shared iMessage lines, up to 10 users (2.0 beta: 25 shared iMessage assignments and $100 credit)
Supported
Up to 10 users on shared lines
Visit Photon
Read more
Linq
iMessage, RCS and SMS API with flat monthly pricing
Starting price
$260/month (Pro)
Free plan
Hobby: $0, up to 20 contacts, used through the CLI
Supported
Hobby: $0, up to 20 contacts, through the CLI.
Visit Linq
Read more
Blooio
One API for iMessage, WhatsApp and Apple Messages
Starting price
$39/month (Starter, shared number)
Free plan
Free trial: 20 messages total on a shared number, no credit card
Partial
Free trial is 20 messages total on a shared number. Apple Messages for Business has a free sandbox.
Visit Blooio
Read more
Sendblue
iMessage API and CRM texting for sales and agents
Starting price
$100/month per line
Free plan
Free sandbox: shared number, up to 10 verified contacts, no webhooks
Supported
Free sandbox: shared number, up to 10 verified contacts, no webhooks.
Visit Sendblue
Read more
Zernio
One API for iMessage, SMS, WhatsApp, social DMs and calls
Starting price
$200/month per iMessage sender
Free plan
First 2 connected accounts free; free iMessage sandbox on a shared line
Supported
First 2 connected accounts free; free iMessage sandbox (5 contacts, 50 messages a day).
Visit Zernio
Read more
LoopMessage
iMessage, SMS, RCS and WhatsApp on one number
Starting price
$59.99/month per sender (Light)
Free plan
Sandbox: $0, 5 contacts, testing only; free shared plan for schools and non-profits
Supported
Sandbox with 5 contacts; free shared plan for schools and non-profits.
Visit LoopMessage
Read more
Blue Reacher
Managed iMessage lines for B2B sales, with API and MCP
Starting price
$199/month per line at 4+ lines; $249/month for 1 to 3 lines
Free plan
Free public sandbox key; simulator only, no real sends
Supported
Free public sandbox key; simulator only, no real messages sent.
Visit Blue Reacher
Read more
Chert
iMessage and FaceTime numbers for AI agents
Starting price
$25/month (Shared)
Free plan
24-hour trial: 10 messages and 10 FaceTime minutes on a shared line
Partial
24-hour trial with 10 messages and 10 FaceTime minutes on a shared line.
Visit Chert
Read more
Miss Blue
Dedicated iMessage line with API, team inbox and calling
Starting price
$99/month per number (launch price)
Free plan
Free sandbox; 30-minute live demo line
Supported
Free sandbox with simulated sends, plus a 30-minute live demo line by texting DEMO.
Visit Miss Blue
Read more
Bland
Voice AI platform with SMS, RCS and branded iMessage agents
Starting price
Custom (iMessage is Enterprise only); SMS from $29.99/month on the Agent Phone Plan
Free plan
Start plan: free, with credits and an inbound number, for voice
Partial
Free Start plan with credits is for voice; messaging needs Agent Phone Plan or Enterprise
Visit Bland
Read more
BlueBubbles
Free, open-source iMessage bridge you host on a Mac
Starting price
Free
Free plan
Free and open source (Apache-2.0)
Supported
Free, open-source software
Visit BlueBubbles
Read more
Inkbox
Email, phone, iMessage and A2A identity for AI agents
Starting price
$25/month (Developer); $167/month for a dedicated iMessage number (Startup)
Free plan
Free: 3 identities, shared iMessage up to 2,000 messages a month and 3 recipients at a time
Supported
Free: 3 identities, shared iMessage up to 2,000 messages a month and 3 recipients at a time.
Visit Inkbox
Read more
AgentPhone
Phone numbers with voice, SMS and iMessage for AI agents
Starting price
$3/month per number plus usage; iMessage from $150/month per line
Free plan
$5 starting credit, no card required
Partial
$5 starting credit, no card. Outbound calls need a top-up first.
Visit AgentPhone
Read more
Dial
Phone numbers with calls, SMS and iMessage for AI agents
Starting price
$3/month per standard number; $250/month per iMessage number
Free plan
$5 free credit, no credit card required
Supported
$5 of free credit, no card. Free accounts are capped at 5-minute calls and 2 concurrent calls.
Visit Dial
Read more
Comms by Osis
iMessage, RCS, SMS and WhatsApp API with hosted agents
Starting price
$50/month (shared line); $200/month per dedicated number
Free plan
Free: shared platform line, 100 messages a day, no card
Supported
Free: shared platform line, 100 messages a day, no card.
Visit Comms by Osis
Read more
iBlueText
Hosted or self-hosted iMessage lines with iPhone lookup
Starting price
$29/month (self-hosted, 1 line); $99/month per hosted line
Free plan
No-card trial: 100 lookups, 10 verifications and 10 iMessages; self-hosted 3-day trial
Partial
One-time allowance: 100 lookups, 10 verifications and 10 iMessages, no card
Visit iBlueText
Read more
Project Blue
iMessage, SMS and FaceTime Audio lines inside your CRM
Starting price
$166/month per line, billed annually
Free plan
Free trial on a shared line, verified numbers only
Partial
Free trial on a shared line to verified numbers. Some endpoints are off on trial.
Visit Project Blue
Read more
rustpush
Rust library for the iMessage, FaceTime and APNs protocols
Starting price
Free
Free plan
Free source (SSPL v1)
Supported
Free source under SSPL v1
Visit rustpush
Read more
imbridge
Python library, CLI and MCP server for iMessage on a Mac
Starting price
Free
Free plan
Free and open source (Apache-2.0)
Supported
Free, Apache-2.0 software
Visit imbridge
Read more
MessageBlue
iMessage API for agents, with bring-your-own-number
Starting price
$100/month per line
Free plan
$0 with your own number and Mac, all features, limited seats
Supported
$0 when you bring your own number on your own Mac; every feature included.
Visit MessageBlue
Read more
OpenClaw imsg
MIT-licensed macOS CLI for reading and sending iMessage
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, MIT-licensed software
Visit OpenClaw imsg
Read more
autoMessage
iMessage API, MCP server and webhooks on your own Mac
Starting price
$59/month (Solo)
Free plan
14-day free trial, no credit card to start
Partial
14-day free trial, no card needed to start.
Visit autoMessage
Read more
Contiguity
SMS, iMessage, WhatsApp and email in one developer API
Starting price
$79.99/month for a leased iMessage number ($9.99 number plus $70 iMessage); SMS adds $40
Free plan
Free: 500 SMS, 100 MMS and 1,000 emails a month on shared numbers
Supported
Free: 500 SMS, 100 MMS and 1,000 emails a month on shared numbers, with a signature
Visit Contiguity
Read more
iSnap
iMessage API on real iPhones, rented or your own
Starting price
$15/month per BYOP line; rented lines from $77/month
Free plan
Starter: $0, one contact, shared test line
Supported
Starter: $0, no card, one contact on a shared test line.
Visit iSnap
Read more
Twilio
Global CPaaS for SMS, RCS, WhatsApp and voice
Starting price
$0.0083 per US SMS segment
Free plan
30-day free trial, no card, with 100 SMS and 75 voice minutes
Partial
30-day trial, no card: 100 SMS, 3,000 emails, 75 voice minutes, 5 verified recipients
Visit Twilio
Read more
Beam
iMessage, RCS and SMS for GoHighLevel agencies, with an API
Starting price
Not published
Free plan
Free preview workspace with demo data; no live sending
Partial
Free preview workspace with demo data; nothing sends until a paid plan is active.
Visit Beam
Read more
Bird
Email, SMS, WhatsApp and Apple Messages APIs
Starting price
$0.0035 per US outbound SMS segment plus carrier fees
Free plan
Free email tier of 1,000 emails a month; free shared Inbox
Supported
Free email tier of 1,000 emails a month and free shared Inbox; SMS and WhatsApp are paid
Visit Bird
Read more
Blue Replies
iMessage and FaceTime API with a free phone-bound sandbox
Starting price
Custom quote
Free plan
Sandbox: free, no expiry, your own phone plus up to 5 verified contacts
Supported
Sandbox is free with no expiry: your own phone plus up to 5 verified contacts.
Visit Blue Replies
Read more
imessage-rs
Rust iMessage server with a BlueBubbles-compatible API
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, MIT software
Visit imessage-rs
Read more
Orbit by Devotel
Pay-as-you-go CPaaS with AI agents on every channel
Starting price
$0.0075 per US SMS segment
Free plan
Free signup with simulated sandbox sends
Supported
Free signup; sandbox sends are simulated and free
Visit Orbit by Devotel
Read more
senderZ
iMessage for customer-started chats, SMS for the rest
Starting price
$39/month billed annually ($49 billed monthly)
Free plan
14-day trial, no card
Partial
14-day free trial with no card; no free plan after it.
Visit senderZ
Read more
Telnyx
Low per-part SMS pricing with carrier fees at cost
Starting price
$0.004 per US SMS part plus carrier fee
Free plan
Trial account with $5 testing credit
Partial
Trial with $5 credit; SMS only to one verified number, 100 a day
Visit Telnyx
Read more
Vonage
Messages API for SMS, RCS, WhatsApp, Viber and email
Starting price
$0.00860 per US SMS on a long virtual number, plus carrier fees
Free plan
Free credit at signup with no card, and a free Messages API Sandbox capped at 100 messages a month
Supported
Free Sandbox (100 messages a month, chat apps only) plus free credit at signup
Visit Vonage
Read more
Infobip
Global CPaaS and Apple Messages for Business provider
Starting price
$0.0075 to $0.0083 per US SMS (indicative)
Free plan
60-day free trial, no card, up to 100 messages per channel to your verified number
Partial
60-day free trial, no card, up to 100 messages per channel to your verified number
Visit Infobip
Read more
Caspian
Open-source SDK that puts one agent on every chat channel
Starting price
Free (self-host or sandbox key); hosted paid channels per message
Free plan
Free self-hosting; free sandbox key from the MCP get_started tool
Supported
Self-hosting is free; the MCP get_started tool mints a free sandbox key
Visit Caspian
Read more
Sinch
CPaaS with 13 messaging channels in one API
Starting price
$0.0078 per US 10DLC SMS, plus carrier fees
Free plan
Free developer account with an SMS sandbox and test credit
Supported
Free developer account with an SMS sandbox (simulated sends to verified numbers) and test credit
Visit Sinch
Read more
Plivo
Voice AI and CPaaS with SMS, WhatsApp and SIP APIs
Starting price
$1,000/month Enterprise minimum for SMS; US SMS $0.0077 per message plus carrier fees
Free plan
$10 in free credits on pay as you go (voice and SIP; no SMS in the US)
Partial
$10 free credits on pay as you go, which does not include SMS in the US
Visit Plivo
Read more
messages.dev
TypeScript-first iMessage, RCS and SMS API
Starting price
$99/month per line
Free plan
Sandbox: 50 messages a day to your own paired phone
Supported
Sandbox: 50 messages a day to your own paired phone.
Visit messages.dev
Read more
AgenticMail
Self-hosted email, SMS and calls for AI agents
Starting price
Free
Free plan
Free and open source (MIT); free agenticmail.io subdomain for the Enterprise package
Supported
Free MIT software; free agenticmail.io subdomain for the hosted Enterprise package.
Visit AgenticMail
Read more
Gupshup
Conversational AI platform for WhatsApp, RCS, SMS and voice
Starting price
$99/month plus per-message rates
Free plan
None on the self-serve plan; a WhatsApp offer page lists 3 months free
Partial
No free tier on the self-serve plan; a WhatsApp offer page lists 3 months free, messages charged
Visit Gupshup
Read more
Webex Connect
Cisco's enterprise CPaaS with Apple Messages for Business
Starting price
Custom (contact Cisco)
Free plan
Free sandbox: 10,000 SMS and WhatsApp requests within 365 days, up to 5 verified numbers
Supported
Free sandbox: 10,000 SMS and WhatsApp API requests within 365 days, to 5 verified numbers
Visit Webex Connect
Read more
beeperbox
One MCP endpoint for the chat apps in your Beeper account
Starting price
Free
Free plan
Free and open source (Apache-2.0)
Supported
Free Apache-2.0 software; needs a Beeper account
Visit beeperbox
Read more
CM.com
One messaging API for SMS, RCS, WhatsApp and more
Starting price
$58/month (Channels Go, 1 profile) plus usage
Free plan
Business Messaging trial without onboarding
Partial
Business Messaging trial to test the API without onboarding; no permanent free tier
Visit CM.com
Read more
Hail
Open-source voice, SMS and email API for AI agents
Starting price
Prepaid credit from $1; numbers from $0.50/month
Free plan
Free to self-host (AGPL-3.0). No free credit on Hail Cloud.
Partial
Self-hosting the AGPL software is free. Hail Cloud starts at a $0 balance with no free credit.
Visit Hail
Read more
SignalWire
Voice, messaging and AI agents from the FreeSWITCH team
Starting price
$0.00415 per US 10DLC SMS segment plus carrier fees
Free plan
Trial mode at signup; add $5 credit to exit
Partial
Trial mode at signup; add at least $5 credit to leave it
Visit SignalWire
Read more
Bandwidth
Carrier-owned SMS, MMS, RCS and voice APIs
Starting price
$0.004 per outbound US 10DLC SMS
Free plan
Bandwidth Build free trial: 30 days of credits, texts only to your own verified mobile
Partial
Bandwidth Build trial: 30 days of credits, SMS only to your verified mobile, 200 a day
Visit Bandwidth
Read more
Clerk AI
AI voice, RCS and SMS agents for outbound lead qualification
Starting price
$0 (Pay as you Go, 100 credits); Startup $149/month
Free plan
Pay as you Go: free with 100 credits, then $0.045 per credit
Supported
Pay as you Go tier is free with 100 credits.
Visit Clerk AI
Read more
mautrix-imessage
Matrix bridge for iMessage that runs on your own Mac
Starting price
Free
Free plan
Free and open source (AGPL-3.0)
Supported
Free, open-source software
Visit mautrix-imessage
Read more
Sent
One API for SMS, WhatsApp and RCS with automatic routing
Starting price
$0.015 per active contact a month plus carrier fees (US SMS shown at $0.0047)
Free plan
Light onboarding: 6 pre-built OTP templates, 500 sends a day, no card
Supported
Light onboarding: 6 pre-built OTP templates, 500 sends a day, no card. Sandbox mode is free.
Visit Sent
Read more
AgentLine
Open-source phone numbers, calls and SMS for AI agents
Starting price
$20/month (Individual: 1 number, 100 minutes, 400 SMS)
Free plan
No free hosted tier listed; MIT-licensed server is free to self-host
Partial
No free hosted tier listed; the MIT server is free to self-host (you pay carrier and AI vendors).
Visit AgentLine
Read more
GoGHL
WhatsApp, iMessage and SMS inside GoHighLevel
Starting price
$29/month per GoHighLevel sub-account
Free plan
7-day free trial, no credit card
Partial
7-day free trial, no card
Visit GoGHL
Read more
Mac Messages MCP
MCP server to read, search and send Mac Messages
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, open-source software
Visit Mac Messages MCP
Read more
Signal House
US SMS, MMS and voice aggregator with an AI agent API
Starting price
$0.0065 per 10DLC SMS segment plus carrier fees
Free plan
$25 credit at signup
Partial
$25 credit for new accounts
Visit Signal House
Read more
Unipile
Unified API for users' own WhatsApp, LinkedIn and email
Starting price
49 EUR/month for up to 10 linked accounts ($55)
Free plan
7-day free trial, no credit card
Partial
7-day free trial, no credit card.
Visit Unipile
Read more
VoidFix Gateway
SMS, WhatsApp and iMessage from your own phones
Starting price
$99/month per iMessage line (your own iPhone)
Free plan
7-day trials for SMS and WhatsApp only; none for iMessage
Partial
7-day free trials for SMS and WhatsApp only. iMessage has no trial.
Visit VoidFix Gateway
Read more
imessage-sdk
Provider-neutral TypeScript SDK for hosted iMessage APIs
Starting price
Free (provider fees extra)
Free plan
Free and open source (MIT)
Supported
Free, MIT; the provider account is billed separately
Visit imessage-sdk
Read more
Routee
CPaaS for SMS, Viber, WhatsApp, voice and email
Starting price
$0.0085 per US SMS (toll-free) plus carrier fee
Free plan
Free email (up to 2,500 subscribers) and push plans only
Partial
Free plans for email (2,500 subscribers) and push only; messaging is pay as you go
Visit Routee
Read more
iMessage Relay
Mac menu bar app relaying iMessage to webhooks, REST and MCP
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, MIT software
Visit iMessage Relay
Read more
Mobile Text Alerts
US SMS platform and API with RCS and beta iMessage
Starting price
$36/month billed annually (1,000 messages)
Free plan
14-day free trial with 50 messages
Partial
14-day free trial with 50 messages
Visit Mobile Text Alerts
Read more
SentFromAI
Email inboxes for AI agents, with iMessage in early access
Starting price
$19/month (Pro, email)
Free plan
Free: 5 inboxes, 5,000 emails a month, 5 GB storage, no card (email only)
Supported
Free: 5 inboxes, 5,000 emails a month, 5 GB storage, no card. Email only.
Visit SentFromAI
Read more
Apple Messages MCP
Local MCP server for reading and sending Apple Messages
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, open-source software
Visit Apple Messages MCP
Read more
Dexatel
SMS, Viber, WhatsApp and OTP API with channel fallback
Starting price
$0.0229 per US SMS
Free plan
30-day free trial with test credits, no card
Partial
30-day free trial with test credits, no card
Visit Dexatel
Read more
iMessage Max
Swift MCP server for reading and sending iMessage on a Mac
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, open-source software
Visit iMessage Max
Read more
Saperly
Phone numbers with voice and SMS for AI agents
Starting price
Numbers from $2/month plus usage
Free plan
$5 signup credit that never expires, no card to start
Supported
$5 signup credit that never expires, no card to start.
Visit Saperly
Read more
smsmode
French SMS, RCS, WhatsApp and TTS messaging platform
Starting price
€9/month (Basic) or €61 for a 1,000 SMS prepaid pack (France)
Free plan
20 free test credits
Partial
20 free test credits at signup
Visit smsmode
Read more
Surge
SMS and voice API with fast US carrier registration
Starting price
$5/month (Hobby, credited toward usage)
Free plan
Demo number with 25 outbound demo SMS per account
Partial
Demo key and shared number, 25 outbound demo texts per account; pricing FAQ says 10
Visit Surge
Read more
ClickSend
Prepaid SMS, MMS and RCS messaging API
Starting price
$0.0285 per US SMS on a $20 top-up, plus a $0.0041 carrier fee
Free plan
Free trial on sign-up; credit amount not stated
Partial
Free trial on sign-up; the pricing page does not state the trial credit
Visit ClickSend
Read more
OpenMessage
Local Google Messages, WhatsApp and Signal inbox with MCP
Starting price
Free
Free plan
Free and open source
Supported
Free and open source
Visit OpenMessage
Read more
Texting Blue
Shared team iMessage inbox on your own iPhone number
Starting price
$19/month per number
Free plan
3-day free trial
Partial
3-day free trial only
Visit Texting Blue
Read more
AgentCall
Phone numbers, SMS and AI voice calls for AI agents
Starting price
$19.99/month (Pro) plus usage
Free plan
One-time 72-hour trial with one local number, 5 inbound AI minutes and 5 texts; card verification required
Partial
One-time 72-hour trial: one number, 5 inbound AI minutes, 5 texts. Card verification required.
Visit AgentCall
Read more
AgentMessage
SMS and iMessage API for AI agents with 10DLC tooling
Starting price
$0.94/month per number plus $0.0078 per SMS segment
Free plan
$5 starting credit on new accounts (new signups currently paused)
Partial
$5 starting credit, no platform fee; new signups are paused behind a waitlist.
Visit AgentMessage
Read more
Apple Messages for Business
Apple's official business chat in the Messages app
Starting price
Free from Apple; MSP fees vary
Free plan
Apple charges nothing; an MSP is still required
Partial
Apple charges nothing; MSPs charge for their platforms
Visit Apple Messages for Business
Read more
Artil
Email inboxes, SMS numbers and Telegram bots for AI agents
Starting price
$25/month (Pro)
Free plan
Free: 3 inboxes, 500 messages received and 500 sent a month, no card
Supported
3 inboxes, 500 messages sent and 500 received a month, no card. SMS numbers need Pro.
Visit Artil
Read more
Messente
Estonian SMS, Viber, WhatsApp and RCS messaging API
Starting price
0.0136 EUR per US SMS segment (pay as you go)
Free plan
Free signup with test messages, no card
Partial
Free signup with a few test messages, no card
Visit Messente
Read more
adit
Windows daemon for iPhone texts over Bluetooth, with an API
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, MIT software
Visit adit
Read more
Chatbubbles
Self-hosted iMessage HTTPS API for a Mac on Tailscale
Starting price
Free
Free plan
Free download (GitHub releases, Homebrew tap)
Supported
Free download from GitHub releases and a Homebrew tap
Visit Chatbubbles
Read more
GatewayAPI
Danish SMS, RCS and email API with an EU-hosted setup
Starting price
0.0201 EUR per US SMS (standard route)
Free plan
Free account with test credits
Partial
Free account with test credits; sending is pay as you go
Visit GatewayAPI
Read more
TXTImpact
Business texting platform and API for SMS, RCS, WhatsApp
Starting price
$5/month (API Start up plan, 100 credits)
Free plan
15-day free trial, no credit card
Partial
15-day free trial, no card; the trial page lists 20 text credits and a local number
Visit TXTImpact
Read more
Cadence
RCS conversation API for AI agents, with SMS fallback
Starting price
$250/month per brand to go live
Free plan
Free sandbox and real RCS to your own accepted test devices, no time limit
Supported
Free sandbox plus real RCS to your own accepted test devices, no time limit
Visit Cadence
Read more
mautrix-gmessages
Matrix bridge for Google Messages SMS and RCS chats
Starting price
Free
Free plan
Free and open source (AGPL-3.0)
Supported
Free, open-source software
Visit mautrix-gmessages
Read more
Telgorithm
SMS, MMS, RCS and voice APIs for 10DLC platforms
Starting price
$0.005 per SMS segment (500,000 messages a month minimum)
Free plan
$100 credit on self-serve signup; 30-day pay-as-you-go trial
Partial
$100 in credit on self-serve signup, which requires a TCR CSP ID; 30-day pay-as-you-go trial
Visit Telgorithm
Read more
Vernacular
iMessage lines with AI-drafted replies you approve
Starting price
$899/month per line (Growth); Support has $1,000 setup and no minimum
Free plan
Free trial offered; terms not stated
Partial
Homepage offers a free trial. Its length and limits are not stated.
Visit Vernacular
Read more
imsg (gnufood)
Linux CLI that texts through a paired iPhone via Bluetooth
Starting price
Free
Free plan
Free and open source (MIT)
Supported
Free, MIT-licensed software
Visit imsg (gnufood)
Read more
TextGrid
Low-cost SMS, MMS, voice and email API
Starting price
$0.0035 per outbound SMS segment, no minimum
Free plan
Free signup with trial credits (amount not stated)
Partial
Free signup with trial credits; the amount is not stated
Visit TextGrid
Read more
Not supported or not listed
Claw Messenger
Not supported
No free tier; 7-day trial with a card
AgentNumber
Not listed
No free plan or trial mentioned.
BlueSendr
Not listed
Crypton.sh Blue Relay
Not supported
Paid plans only; a €29 setup fee applies to monthly and 3-month terms.
iMessage Sender
Not listed
Site says Get Started Free; plan prices need a GoHighLevel login
myCRMSIM
Not supported
Support article says there are no free trials. A 30-day money-back guarantee is offered.
Sendara
Not listed
No free plan or trial is mentioned.
SendiMessage
Not supported
No free plan or sandbox; the Developer Pilot costs $129 for the first month.
Tuco AI
Not supported
Docs say there are no free trials, paid pilots or refunds.
ZeroSettle
Not supported
No free trial; a 30-day money-back guarantee instead.
Commio
Not listed
Pinnacle
Not listed
A self-serve sandbox is mentioned; no free tier is stated
Signalmash
Not listed
'Start for free' buttons, but the Launch plan has a $19 monthly platform fee
Other plans and compliance features
Public pricing
No per-message fees
Uptime SLA
Isolated infrastructure
SOC 2 Type II
GDPR