Communications & messaging
697 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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320 APIs added in the last 30 days.
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697- ZO41 operations1 revisionZoho CPaaS@zoho/zoho-cpaas
Messaging: send email, voice calls, SMS and WhatsApp, and retrieve their logs
- PU7 operations1 revisionPublic Demio API@demio/public-demio-api
Webinars: list events, register attendees and pull per-date participant reports
- CL11 operations1 revisionclix/external/v1/clix.proto@clix/clix-external-v1-clix-proto
Push notifications: send messages, manage users and devices, log events, trigger campaigns
- IN16 operations1 revisionInfobip OpenAPI Specification@infobip/infobip-openapi-specification-2
Messaging: send SMS and binary texts, schedule messages, and fetch delivery reports and inbound SMS
- IN999 operations1 revisionInfobip OpenAPI Specification@infobip/infobip-openapi-specification
Customer engagement: send SMS, manage person profiles and contact data, 2FA and AI assistants
- PR174 operations76 revisionsPrimitive API@primitive/primitive-api-2
Email: manage domains, inbound and sent mail, webhooks, filters and search via API
- TW1 operation206 revisionsTwilio - Chat@twilio/twilio-chat
Messaging: manage chat channels, including updating channel details within a service
- LI78 operations13 revisionsLinq Partner API@linqapp/linq-partner-api
iMessage: send and receive messages, manage chats, attachments, payments and calls
- GO55 operations10 revisionsGoogle Chat API@google/chat
Chat apps: manage spaces, members, messages, custom emojis, media uploads and user availability
- RE111 operations59 revisionsRetell SDK@retellai/retell-sdk
Voice AI agents: build and test call agents, phone numbers, chat, and knowledge bases
- XQ219 operations404 revisionsXquik API@xquik-dev/xquik-api
Read X (Twitter) data and automate posting: search, users, communities, trends, monitors, and webhooks
- BI528 operations93 revisionsBird API@messagebird/bird-api
Email, SMS, WhatsApp and realtime messaging: send messages, manage contacts and templates, and track delivery stats
- VO452 operations203 revisionsVoIPBin API@voipbin/voipbin-api
Telephony: place calls, record and transcribe them, manage numbers, agents, campaigns and conversations
- SP172 operations114 revisionsspreed@nextcloud/spreed
Conversations: create rooms, chat, calls, polls, recording and live transcription
- DI136 operations2 revisionsDIP - Send Messages & Receive Publications@elexon/mhhs-dip
Smart meter data exchange: send and validate MHHS messages, manage channel publications and delivery status
- PH333 operations484 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- SO10 operations7 revisionsSocialToAI API@socialtoai/socialtoai-api
Social media: read public posts, comments, profiles and trends across 18 platforms
- TE14 operations6 revisionstextbee API@textbee/textbee-api
SMS: send texts and webhook events through your own Android phones
- SK251 operations14 revisionsSkysay API@skysay/skysay-api
Telephony: place policy-gated calls, buy and manage phone numbers, run SMS, campaigns and voice agents
- X258 operations24 revisionsX API v2@x/x-api-v2
Social posts, DMs, lists, spaces, calls, communities and trends: read and publish content, manage chats
- CA488 operations9 revisionsCarbon Voice API@carbonvoice/carbon-voice-api
Voice messaging: send and share messages, manage conversations, contacts, folders and workspaces
- VO65 operations1 revisionVogent - OpenAPI 3.0@vogent/vogent-openapi-3-0
Voice AI: place outbound AI phone calls, manage agents, phone numbers, voices and TTS
- AQ17 operations1 revisionAqua API@aquavoice/aqua-api
Voice dictation and speech-to-text: dictate or edit text, transcribe audio, read stored sessions
- FR105 operations1 revisionFreyavoice API@freyavoice/freyavoice-api
AI voice calling: run outbound campaigns, place calls, and fetch recordings and agent analytics
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