Communications & messaging
718 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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342 APIs added in the last 30 days.
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718- PH333 operations508 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- CO876 operations30 revisionsConnexCS Control Panel API@connexcs/connexcs-control-panel-api
VoIP switching and routing: manage carriers, DIDs, customers, invoices and call-center queues
- IN425 operations43 revisionsInkbox API@inkbox/inkbox-api
Agent communications: email, phone, iMessage and WhatsApp with contacts, identities and webhooks
- CA490 operations10 revisionsCarbon Voice API@carbonvoice/carbon-voice-api
Voice messaging: send, share and transcribe conversations, discussions and action items
- FA134 operations10 revisionsFaivelo API@faivelo/faivelo-api
Email: manage domains, mailboxes and aliases, send, search and organise mail
- AP191 operations42 revisionsAPI Reference@agentmail-to/agentmail-to
Email: create inboxes, send and read messages, threads, drafts, webhooks and domains for agents
- HO226 operations19 revisionsHonkIO API@honkio/honkio-api
SMS and voice: send texts, provision Canadian numbers, manage CASL consent and contacts
- AP68 operations3 revisionsapi.onesignal.com@onesignal/api-onesignal-com
Messaging: send push, email and SMS, manage templates, segments, users and subscriptions
- XQ218 operations422 revisionsXquik API@xquik-dev/xquik-api
Read and automate X: search posts, look up users and communities, and manage monitors and webhooks
- VO137 operations22 revisionsvolai REST API@volai/volai-rest-api
Phone numbers, calls and SMS, plus AI voice agents for placing and receiving calls
- AC1 operation1 revisionAccount Notifications@citi/account-notifications
Corporate banking: subscribe to push notifications for account updates via webhooks in XML or JSON
- HO74 operations1 revisionHologram REST API v1@hologram/hologram-rest-api-v1
SIM management: activate and configure cellular SIMs, track location, and manage billing and data plans
- GU8 operations1 revisionGuava API Server@goguava/guava-api-server
Calls and SMS: send and receive texts, manage call conversations and WebRTC access tokens
- OM2 operations1 revisionOmni Status API@optus/omni-status-api
Status: check availability of Modica messaging services and list the services that can be queried
- SM3 operations1 revisionSMS Gateway REST APIv2@optus/sms-gateway-rest-apiv2
SMS messaging: send texts to a single handset and retrieve message status with link shortening
- SO10 operations1 revisionSocial Automation API@cresclab/social-automation-api
Comment automation: auto-reply to keywords with public replies and DMs on Instagram and Messenger
- MO1 operation1 revisionMoEngage Inform API@moengage/moengage-inform-api
Transactional alerts: send SMS, email and push notifications from preconfigured templates
- AL474 operations1 revisionAlianza Public API@alianza/alianza-public-api
Telephony: manage accounts, devices, lines, phone numbers, voicemail and call groups
- AI144 operations9 revisionsAirship API@airship/airship-api
Mobile and web messaging: send push, SMS and email, manage channels, schedules and user segments
- MA166 operations1 revisionMatrix Client-Server API@matrix/matrix-client-server-api
Chat: rooms, messages, media, devices, spaces and threads on Matrix homeservers
- CO1 operation1 revisionConversation Archiving API@globalrelay/conversation-archiving-api
Compliance: submit chat and instant messages to the Global Relay Archive
- VO1 operation1 revisionVoice Archiving API@globalrelay/voice-archiving-api
Voice call records: add batches of call metadata and file references
- KA6 operations1 revisionKata Voice API@kata/kata-voice-api
Voice calls: place outbound AI phone calls, browser test sessions, transcripts and credits
- MG3 operations1 revisionMG GenAgent API Router@asapp/mg-genagent-api-router
Voice AI: connect and disconnect GenAgent on calls, get Twilio media stream URLs
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