Communications & messaging
683 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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306 APIs added in the last 30 days.
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683- ZA207 operations82 revisionsZavu Unified Messaging Layer API@zavudev/zavu-unified-messaging-layer-api
Messaging: send SMS, WhatsApp, Telegram and email, manage senders, contacts and agents
- SE914 operations29 revisionsSendSeven@sendseven/sendseven
Messaging: send WhatsApp, SMS and email, manage conversations, contacts, campaigns and templates
- BI528 operations86 revisionsBird API@messagebird/bird-api
Email, SMS, WhatsApp and realtime messaging: send messages, manage contacts and templates, and track delivery stats
- HU673 operations18 revisionsHUDL API@meet-align/hudl-api
Meetings: create rooms, manage recaps, transcripts, polls, clips and team billing
- PH333 operations463 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- VI27 operations13 revisionsVieNeu API@vieneu/vieneu-api
Vietnamese text-to-speech: synthesize speech, clone voices, dub audio and build audiobooks
- CH29 operations4 revisionsChatway Developer Docs@chatway/chatway-developer-docs
Chatway: REST API, webhooks and MCP to read conversations, contacts, agents and widgets
- TE43 operations1 revisionTelgea API@telgea/telgea-api
Telecom lines: obtain and suspend phone numbers, manage users, port-ins, usage and rates
- JA10 operations1 revisionJarvis API@heyjarvie/jarvis-api
Messaging and sprite skills: receive inbound messages, manage waitlist signups and payments webhooks
- AD65 operations14 revisionsAdeli API@tryadeli/adeli-api
Social media: publish posts, reply to comments and DMs across networks with one key
- VO44 operations48 revisionsVoice Logica API@voicelogica/voice-logica-api
Voice AI: place outbound AI calls, run campaigns, query calls, SMS and SIP trunks
- IZ75 operations10 revisionsiZap API@izap/izap-api
WhatsApp automation: manage chats, send messages and templates, contacts, menus and webhooks
- TR6 operations166 revisionsTransactional Single Send@hubspot/marketing-transactional-single-send
Email: send single transactional messages and manage SMTP API tokens and passwords
- TW24 operations70 revisionsTwilio - Trunking@twilio/trunking-v1
Trunking: create and manage SIP trunks, origination URLs, credential lists, IP access control and phone numbers
- TW25 operations70 revisionsTwilio - Proxy@twilio/proxy-v1
Proxy: manage services, phone number pools, sessions, participants and message interactions
- IN39 operations9 revisionsInboxapp API@inboxapp/inboxapp-api
Messaging: read and send conversations across platforms, plus contacts, tags and pipeline statuses
- DO76 operations8 revisionsDOS AI Public API@dosai/dos-ai-public-api
AI assistants for WhatsApp, Instagram and Telegram: leads, bookings, conversations and knowledge base
- FL434 operations56 revisionsFluxer API@fluxer/fluxer-api
Chat: messaging in channels and guilds, friend and user accounts, invites, webhooks, voice and search
- CO1 operation126 revisionsConversations Visitor Identification@hubspot/conversations-visitor-identification
Conversations: generate visitor identification tokens for chat widget users
- CO100 operations21 revisionsCommsHarbor@commsharbor/commsharbor
Domain email: check SPF, DKIM, DMARC and MX records, manage mailboxes and aliases
- VO136 operations16 revisionsvolai REST API@volai/volai-rest-api
Voice and SMS: buy numbers, place AI agent and outbound calls, send texts and manage credits
- KA215 operations13 revisionsKaiCalls Public API@kaicalls/kaicalls-public-api
Voice AI agents: manage phone numbers, leads, campaigns, SMS, meetings and call analytics
- X257 operations21 revisionsX API v2@x/x-api-v2
Social posts, messaging, communities and live audio: read and publish posts, chat, lists, Spaces, trends and news
- SY195 operations303 revisionsSyllableSDK@asksyllable/syllablesdk
AI agents: build phone and chat agents, manage channels, conversations, data sources and outbound campaigns
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