Account

Communication API Directory

Communication APIs with agent-ready surfaces — email, SMS, chat, voice.

5287
Sites Indexed
38
Avg Score
154 entries in this directory
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!
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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.
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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
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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.
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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.
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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
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Buttondown — Newsletter software for people like you
buttondown.email
Buttondown is the last email platform you'll migrate to. We're focused on your success, not on bleeding you dry.
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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 ✅
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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.
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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.
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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.
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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.
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VictorOps Acquisition | Splunk
victorops.com
VictorOps is now Splunk On-Call — new name, updated product. Learn more about the VictorOps acquisition.
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ably.net
ably.net
Ably is the realtime platform built for scale and reliability. Power live chat, messaging, collaborative apps, and AI experiences that never drop.
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Customer.io Docs
docs.customer.io
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Schedule Social Media Posts Across All Platforms | PostFast
postfa.st
Save 10+ hours weekly with PostFast. Schedule and automate your social media posts across Facebook, Instagram, Threads, X, LinkedIn, TikTok, YouTube, Telegram & more from one dashboard.
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Lettermint – Your European partner for transactional emails
lettermint.co
Based in Europe, we ensure your transactional emails are secure, reliable, and always reach your customers. Never worry about email delivery again!
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Struct | On-Call Agent for Automated Root Cause Analysis
edgedive.com
Automatically root cause on-call issues. Struct cross-references logs, metrics, traces, and your codebase to accurately root-cause eng alerts and bugs.
llms.txt API AI bots communication
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Repomix | Pack your codebase into AI-friendly formats
repomix.com
Pack local or remote repositories into AI-friendly XML, Markdown, JSON, or plain text for Claude, ChatGPT, Gemini, MCP, and code review workflows.
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Your video editing API for video automation - JSON2Video
json2video.com
JSON2Video automates video production with templates and variables — for video ads, social media stories and product videos at scale
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Knowatoa - Show up in the conversation
knowatoa.com
Your buyers are asking AI about your competitors. Knowatoa shows you where the gaps are and exactly what to publish to close them — across ChatGPT, Claude, Perplexity, Gemini, and AI Overviews.
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Brivvy | How modern teams write to convert.
brivvy.io
Brivvy turns every blog, email, and post into a message that converts. Voice, templates, and audience connected to every AI tool your team uses.
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Free AI Design Tool: Logos, T-Shirts, Social Media - Playground
playground.com
Create custom designs and graphics with Playground
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Create Email Marketing Your Audience Will Love - MailerLite
mailerlite.com
Digital marketing tools to grow your audience faster and drive revenue smarter. Backed by 24/7 award-winning support. Check it out now!
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Portable, private memory for your AI work | Mnemolog
mnemolog.com
Mnemolog turns your best ChatGPT, Claude, Gemini, Grok, Cursor, and agent conversations into private, searchable memory you can cite, export, and continue anywhere. Private by default.
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VDO.Ninja
vdo.ninja
Bring live video from your smartphone, computer, or friends directly into your Studio. 100% free.
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Modern Personal Matching - personly
personly.com
personly is a platform for creating anonymous personals which match other personals instantly, making it super easy to meet people for any activity.
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Mailtrap: Modern Email Delivery for dev and product teams
mailtrap.io
Modern Email Delivery Platform for developer & product teams. Fast delivery. High inboxing rates. 24/7 expert support. Email API/SMTP for reliable email sending
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There is no account with such name yet
your-account.planfix.com
Work on projects, tasks, assignments, managing projects and business processes, well-time tracking and notifications on impending actions and tasks, organizing meetings, important dates of your employees and clients, contacts, discussions, statistics on projects and tasks - this is far not complete list of what Planfix can do.
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DesignForYou — Free KDP Book Covers, Social Media & App Store Templates
designforyou.swapp1990.org
Free design templates for KDP book covers, Instagram posts, stories, app store screenshots, and splash screens. Genre-tuned covers for indie authors, refine in chat, export in seconds.
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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"
Agent Docs
llms.txt OpenAPI spec ai-plugin.json

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