Communications & messaging
779 APIs for SMS, voice, video calls, chat, notifications, or social communication.
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371 APIs added in the last 30 days.
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780- SA379 operations30 revisionsSamva API@samva/samva-api
Email API: send transactional messages, track delivery, handle replies and webhooks
- PR317 operations47 revisionsPrimitive API@primitive/primitive-api
Email infrastructure: manage domains, inbound and sent emails, webhooks and filters for agents
- DI1,247 operations173 revisionsDialogBrain v2 API Gateway@dialogbrain/dialogbrain-v2-api-gateway
Platform backend: AI agents, voice calls, channels, threads, files, billing and workspace tools
- OU11 operations4 revisionsOutstand Posts v1@outstand/outstand-posts-v1
Social media: schedule posts across platforms, manage replies, and fetch analytics
- TE1,556 operations124 revisionsTelnyx API@team-telnyx/telnyx-api
Cloud telephony: place calls, send SMS and MMS, port numbers and manage SIP trunks
- ST210 operations607 revisionsStream API@getstream/stream-api
Chat: manage channels, send messages, moderate users and run campaigns, with block lists
- CO18 operations170 revisionsConversations Inbox & Messages@hubspot/conversations-conversations
Inboxes: read and update threads, messages, assignees and channel accounts across chat channels
- PH333 operations575 revisionsPhoenix API by Phone.com@phone/phoenix-api-by-phone-com
Telephony: manage calls, numbers, SMS, voicemail, faxes, devices and call logs
- TE1,556 operations614 revisionsTelnyx API@team-telnyx/telnyx-api-2
Telephony: place calls, send SMS and MMS, manage phone numbers, SIP trunks and conferences
- CO13 operations249 revisionsConversations Custom Channels@hubspot/conversations-custom-channels
Custom channels: create and manage messaging channels, their accounts, and published messages
- GE27 operations5 revisionsGet My TG API@getmytg/get-my-tg-api
Telegram accounts: browse countries, buy accounts, get login codes and manage purchases
- CO100 operations24 revisionsCommsHarbor@commsharbor/commsharbor
Domain email: check SPF, DKIM, DMARC and MX records, manage mailboxes and aliases
- RA200 operations3 revisionsRadist API@radist/radist-api
Messaging and sales: manage contacts, chats, shops, broadcasts and channel integrations
- SE101 operations4 revisionsSendRaven@sendraven/sendraven
Email for AI agents: send, receive and thread conversations, with approval holds
- ZA235 operations84 revisionsZavu Unified Messaging Layer API@zavudev/zavu-unified-messaging-layer-api
Messaging: send SMS, WhatsApp, Telegram and email, plus contacts, broadcasts and AI agents
- AG144 operations5 revisionsAgentboxd API@agentboxd/agentboxd-api
Email inboxes and messages for AI agents: create inboxes, send and search mail, manage drafts and webhooks
- WH27 operations10 revisionsWhatsMCP API@whatsmcp/whatsmcp-api
WhatsApp: send, edit and delete messages, manage chats, contacts, templates and webhooks
- TE43 operations3 revisionsTelgea API@telgea/telgea-api
Telecom lines: obtain and suspend phone numbers, manage users, port-ins, usage and rates
- AU23 operations3 revisionsautoMessage REST API@automessage/automessage-rest-api
Messaging: send and read iMessages, manage contacts, drafts and webhooks
- SI296 operations226 revisionsSignalWire REST API@signalwire/signalwire-rest-api
Telecom: manage phone numbers, calls, messaging, SIP endpoints, video rooms and AI agents
- AD66 operations2 revisionsAdeli API@adeli/adeli-api
Social media: publish posts, reply to comments and DMs across networks via one API key
- AD66 operations16 revisionsAdeli API@tryadeli/adeli-api
Social media publishing: post, reply, moderate and message across connected networks
- TR322 operations70 revisionsTrytrata API@trytrata/trytrata-api
Voice calls and recordings: manage rooms, recordings, transcripts, call requests, notifications and onboarding
- IN999 operations2 revisionsInfobip OpenAPI Specification@infobip/infobip-openapi-specification
Customer engagement: send SMS, manage person profiles and contact data, 2FA and AI assistants
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