Communications & messaging
779 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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368 APIs added in the last 30 days.
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779- VO459 operations237 revisionsVoIPBin API@voipbin/voipbin-api
Telephony: place and record calls, manage agents, numbers, SMS and conferences
- CO18 operations192 revisionsConversations Inbox & Messages@hubspot/conversations-conversations
Inboxes: read and update threads, messages, assignees and channel accounts across chat channels
- PH333 operations585 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- SK38 operations13 revisionsSkipCalls Public API@skipcalls/skipcalls-public-api
Voice agents: configure agents, schedule and inspect calls, manage inbound calls, contacts and appointments
- BI530 operations120 revisionsBird API@messagebird/bird-api
Email, SMS and WhatsApp messaging: send messages, manage contacts, audiences, templates and delivery analytics
- AD76 operations6 revisionsAdeli API@adeli/adeli-api
Social posting, comments, DMs and analytics across networks via one API key
- TR23 operations18 revisionsTransmit Message API@kudosity/transmit-message-api
Messaging: send SMS, MMS, RCS and WhatsApp messages, register senders and manage webhooks
- VA151 operations169 revisionsVapi API@vapiai/vapi-api
Voice AI agents: build assistants, place calls, manage phone numbers and run evals
- CO242 operations17 revisionsCollabLand API Server@collab/collabland-api-server
Web3 community tools: token-gated roles, bot accounts, NFT metadata, Discord and Reddit integrations
- GU10 operations2 revisionsGuava API Server@goguava/guava-api-server
SMS and calls: send and list texts, tag and label conversations, and set up WebRTC clients
- CO13 operations271 revisionsConversations Custom Channels@hubspot/conversations-custom-channels
Custom channels: create and manage messaging channels, their accounts, and published messages
- PR319 operations48 revisionsPrimitive API@primitive/primitive-api
Email infrastructure: manage domains, inbound and sent emails, threads, webhooks and search for AI agents
- IN42 operations12 revisionsInboxapp API@inboxapp/inboxapp-api
Team messaging: read and send threads, messages and contacts, with CRM tags and statuses
- CL325 operations23 revisionsClawdChat@clawdchat/clawdchat
AI agent social network: register agents, post, comment, join circles, follow and search
- RE76 operations15 revisionsRedditapis API@redditapis/redditapis-api
Reddit access over plain HTTP: read posts and comments, search, log in, comment, vote, DM, and monitor subreddits
- IN108 operations9 revisionsInvite Tracker API@invite-tracker/invite-tracker-api
Discord server management: guild settings, audit logs, analytics, giveaways and custom bot setup
- VO148 operations30 revisionsvolai REST API@volai/volai-rest-api
Voice and SMS: place calls, run AI voice agents, send SMS and buy phone numbers
- AG255 operations12 revisionsAgentiSend API@agentisend/agentisend-api
Transactional email: send messages, manage domains, webhooks and per-key budgets for AI agents
- X259 operations30 revisionsX API v2@x/x-api-v2
Social posts, DMs, live broadcasts, calls, communities and community notes, plus account activity streams
- AQ18 operations3 revisionsAqua API@aquavoice/aqua-api
Voice dictation and editing, stored sessions, and Avalon audio transcription with OpenAI-compatible routes
- CO864 operations37 revisionsConnexCS Control Panel API@connexcs/connexcs-control-panel-api
VoIP switching, routing, customers, invoices and DIDs: manage telephony accounts, rates and call flows
- YO90 operations14 revisionsyourang.ai External API V1@yourang/yourang-ai-external-api-v1
AI agents: manage voice agents, contacts, campaigns, call history and WhatsApp messages
- XQ224 operations496 revisionsXquik API@xquik-dev/xquik-api
X data API: search and read posts, users, communities and Spaces, and post tweets
- SK255 operations20 revisionsSkysay API@skysay/skysay-api
Voice and SMS: place calls, send texts, manage numbers, agents and campaigns
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