Linq Alternatives with Signed webhooks
17 providers support signed webhooks: signed webhooks (HMAC or similar verification).
Providers with signed webhooks
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)
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
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
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
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
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
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
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
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
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
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
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
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
Claw Messenger
iMessage for personal AI agents, no Mac needed
- Starting price
- $5/month for 250 messages
- Free plan
- 7-day free trial, card required
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
Texting Blue
Shared team iMessage inbox on your own iPhone number
- Starting price
- $19/month per number
- Free plan
- 3-day free trial
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
Not supported or not listed
- BlueBubbles