Communications & messaging
725 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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348 APIs added in the last 30 days.
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725- TE1,556 operations421 revisionsTelnyx API@team-telnyx/telnyx-api-2
Telephony: place calls, send SMS and MMS, manage phone numbers, SIP trunks and conferences
- TR121 operations191 revisionstraQ API@traptitech/traq-api
Chat: manage channels, messages, users, bots, webhooks, files and OAuth2 tokens
- SM5 operations320 revisionsSMS API@apideck-libraries/sms-api
SMS: send, list, update and delete text messages and their delivery status
- PH333 operations528 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- IN426 operations45 revisionsInkbox API@inkbox/inkbox-api
Agent communications: email, phone, iMessage and WhatsApp for identities, contacts and webhooks
- VO44 operations55 revisionsVoice Logica API@voicelogica/voice-logica-api
Voice AI: place outbound AI calls, run campaigns, query calls, SMS and SIP trunks
- AP199 operations189 revisionsApache Answer@apache/apache-answer
Q&A community: manage questions, answers, tags, badges, follows, reports and AI conversations
- FO76 operations8 revisionsForward Email API@forwardemail/forward-email-api
Email: manage domains, aliases, forwarding, outbound SMTP sends, contacts, calendars and messages
- CO13 operations146 revisionsConversations Custom Channels@hubspot/conversations-custom-channels
Custom channels: create and manage messaging channels, their accounts, and published messages
- TW57 operations5 revisionsTwtAPI Backend@twtapi/twtapi-backend
Twitter API proxy: route requests, manage API keys, billing, and user accounts
- HO226 operations20 revisionsHonkIO API@honkio/honkio-api
SMS and voice: send texts, provision Canadian numbers, manage CASL consent and contacts
- XQ218 operations454 revisionsXquik API@xquik-dev/xquik-api
Read and automate X posts, users, communities and Community Notes via API, with a paid credit model
- SA379 operations24 revisionsSamva API@samva/samva-api
Email API: send transactional messages, track delivery, handle replies and webhooks
- PR293 operations37 revisionsPrimitive API@primitive/primitive-api
Email infrastructure: manage domains, send and receive email, and set up webhooks and filters
- CO876 operations32 revisionsConnexCS Control Panel API@connexcs/connexcs-control-panel-api
VoIP switching and routing: manage carriers, DIDs, customers, invoices and call-center queues
- AG88 operations8 revisionsAgentLine — Phone Numbers, SMS and AI Calls for Agents@agentline/agentline-prepaid-phone-service-for-ai-agents
Phone numbers, SMS and AI voice calls for agents, with prepaid credit and no signup required
- SH211 operations28 revisionsshipmail API@shipmail/shipmail-api
Email delivery: send messages, manage mailboxes, domains, audiences and webhooks
- SP172 operations215 revisionsspreed@nextcloud/spreed
Conversations: create rooms, chat, calls, polls, recording and live transcription
- VO137 operations24 revisionsvolai REST API@volai/volai-rest-api
Phone numbers, calls and SMS, plus AI voice agents for placing and receiving calls
- DI250 operations189 revisionsDiscord HTTP API (Preview)@discord/discord-http-api-preview
Chat, servers, users and bots: manage channels, guilds, webhooks, lobbies and stickers via the Discord v10 API
- TW197 operations162 revisionsTwilio - Api@twilio/twilio-api
Communications: place and track calls, send messages, and manage phone numbers, SIP domains and recordings
- TR6 operations206 revisionsTransactional Single Send@hubspot/marketing-transactional-single-send
Email: send single transactional emails and manage SMTP API tokens and passwords
- TW47 operations220 revisionsTwilio - Numbers@twilio/twilio-numbers
Phone numbers: hosting, regulatory bundles, end users and short code applications
- BI529 operations104 revisionsBird API@messagebird/bird-api
Email, SMS and WhatsApp messaging: send messages, manage contacts, audiences, templates and delivery analytics
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