Communication API Directory
Communication APIs with agent-ready surfaces — email, SMS, chat, voice.
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
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+25 llms.txt
+15 structured API
missing +20 ai-plugin
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+25 llms.txt
+15 structured API
missing +20 ai-plugin
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+25 llms.txt
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+25 llms.txt
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Bandwidth | Solve Global Telecomplexity
bandwidth.com
Bandwidth is an enterprise communications platform with voice, messaging, and emergency APIs for your communications stack.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
ably.io
ably.io
Ably is the realtime platform built for scale and reliability. Power live chat, messaging, collaborative apps, and AI experiences that never drop.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Facebook
facebook.com
llms.txt
API
AI bots
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
AdPlug | Google Ads MCP & LinkedIn Ads MCP
adplug.app
Google Ads and LinkedIn Ads MCP for Claude and ChatGPT. Connect your ad accounts via MCP to audit performance, compare channels, prepare reports, and stage safe changes.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
AI-Powered Service Platform | Zendesk
zendesk.com
Move beyond deflection with AI agents that resolve issues end-to-end. Improve service quality, speed, and scale. Start your free trial.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Email & SMS Marketing Platform | Mailchimp
mailchimp.com
Utilize real-time user behavior data and artificial intelligence to convert more customers. Easy to use, get started for free!
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Conversational AI and APIs for SMS, Email, Voice | Twilio
twilio.com
Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity verification for trust.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
LiveDune – All-in-One Social Media Analytics & Management Platform
livedune.com
Join over 10,000 daily users leveraging LiveDune to monitor, analyze, and optimize social media accounts across multiple platforms. Schedule posts, track KPIs, detect influencer fraud, and generate detailed reports effortlessly
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Reckon App | Verify Emails - Improve Deliverability
reckonapp.io
Reckon offers simple, reliable email verification API to reduce bounces and improve deliverability. Easy integration with various workflows. Try it today.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Your agents forget. Neotoma makes them remember.
neotoma.io
Stop being the human sync layer. Deterministic, versioned state for multi-agent builders and operators running Claude, Cursor, ChatGPT, and MCP-connected tools. Replay changes, trace provenance, and prove your agents aren’t operating on bad state.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
M
Mengram — AI Memory That Learns Your Workflows. One memory across Claude Code, Cursor, Codex
mengram.io
AI memory that learns how you work. Mengram stores facts, events, and procedural workflows that evolve from successes and failures — one memory across Claude Code, Cursor, Codex, and ChatGPT. Import your existing Claude Code history in one command. Free tier, $5/mo. Mem0 / Letta / Zep / claude-mem alternative.
OpenAPI
API
AI bots
Schema.org
communication
45
+20 OpenAPI
+15 structured API
missing +25 llms.txt
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Fancy Text Decorator - ℭ𝔬𝔬𝔩 𝕋𝕖𝕩𝕥 𝓖𝓮𝓷𝓮𝓻𝓪𝓽𝓸𝓻 😜
fancytextdecorator.com
Generate cute, beatiful and cool text what can be used on Instagram, Twitter, Youtube, Discord and all social media accounts! Generate (っ◔◡◔)っ ♥ ℭ𝔬𝔬𝔩 ♥ & ⓢⓣⓨⓛⓘⓢⓗ text fonts with symbols ✅
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
The Free Social Media Aggregator - Curator
curator.io
Curator is a free social media aggregator that helps you collect and display content. Set up your feed in under 5 minutes.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Text Analytics & Sentiment Analysis API
text2data.com
Analyze in-house or social media unstructured content with our cloud-based text analytics API. Generate real-time customer satisfaction reports in PowerBI or Tableau.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
ColdSend
coldsend.pro
The all-in-one cold email platform. Pre-warmed Azure IPs, automated inbox setup, and a built-in sequencer. Start at 100K/mo, scale to 1M+. From $79/mo.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
ably.com
ably.com
Ably is the realtime platform built for scale and reliability. Power live chat, messaging, collaborative apps, and AI experiences that never drop.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
V
VictorOps Acquisition | Splunk
victorops.com
VictorOps is now Splunk On-Call — new name, updated product. Learn more about the VictorOps acquisition.
llms.txt
API
Schema.org
communication
45
+25 llms.txt
+15 structured API
missing +20 ai-plugin
Wire NHS into your agent — MCP server
Add Not Human Search as an MCP tool. Your agent can call search_agents, get_site_details, get_stats, and submit_site at runtime.
Claude Code
claude mcp add --transport http nothumansearch https://nothumansearch.ai/mcp
Other clients: point any MCP-compatible tool at https://nothumansearch.ai/mcp (streamable-http transport).
Use NHS via REST
Prefer plain HTTP? Hit the search endpoint directly.
Search API
curl "https://nothumansearch.ai/api/v1/search?q=payment+API"
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