Services with a llms.txt
A plain-text guide at /llms.txt that tells AI systems what the site is and where its key pages are.
Nexa AI
Lookup service for AI assistants that returns availability and total prices for hotel rooms and apartments from participating operators; booking is…
Accor
Hotel group behind Novotel, ibis, Sofitel and other brands.
Adobe
Creative and document software maker (Photoshop, Acrobat, Express).
Adyen
Payment processing platform for enterprises.
Algolia
Hosted search and discovery API.
Alpaca
API-first stock and crypto brokerage.
Attio
Customisable CRM.
ATTOM
US property and real estate data provider.
aviationstack
REST API for real-time and historical flight data.
Avis
Car rental company.
BigCommerce
Hosted e-commerce platform.
Brex
Corporate cards and spend management.
Bright Data
Web data collection and proxy platform.
Browserbase
Hosted headless browsers for automation and agents.
Buildkite
CI/CD platform.
Cal.com
Open-source scheduling platform.
Calendly
Meeting scheduling tool.
Chargebee
Subscription billing and revenue management.
Checkout.com
Enterprise payment processing.
Cleartrip
Indian online travel agency.
Clerk
User authentication and management for web apps.
ClickUp
Project management and productivity platform.
Cloudinary
Image and video management and delivery platform.
Coinbase Developer Platform
Crypto exchange; its developer platform includes agent tooling.
commercetools
Headless commerce platform for enterprise retailers.
Convex
Reactive backend database platform.
Coursera
Online course platform with university and company partners.
Datadog
Infrastructure and application monitoring platform.
DataForSEO
SEO data APIs for search results, keywords and backlinks.
Descript
Audio and video editing by editing text.
Dropbox
Cloud file storage and sharing.
Dub
Link management and attribution platform.
Enterprise Rent-A-Car
Car rental company.
Entur
Norwegian national public transport journey planner and data APIs.
EODHD
Financial data APIs: end-of-day prices, fundamentals and news.
Etsy
Marketplace for handmade, vintage and craft goods.
Expedia
Online travel agency selling flights, hotels, holiday rentals, car hire and packages.
Financial Datasets
Stock market and financial statement API for AI agents.
Firecrawl
Web crawling and extraction API that returns LLM-ready content.
Flightradar24
Live flight tracking service with a paid data API.
Fly.io
Platform for running applications close to users.
Frankfurter
Free open-source API for foreign exchange reference rates published by the ECB.
Freshdesk
Customer support software from Freshworks.
Front
Shared inbox and customer communication platform.
Gorgias
Customer support helpdesk for e-commerce.
Granola
AI meeting notes app.
HERE Technologies
Location data and mapping platform.
Heroku
Cloud application platform.
HeyGen
AI video generation with avatars.
Hostaway
Vacation rental property management and channel manager.
Hostelworld
Hostel booking platform.
HubSpot
CRM platform for marketing, sales and service.
Intercom
Customer service and messaging platform.
KAYAK
Travel metasearch engine for flights, hotels and rental cars.
Klarna
Buy-now-pay-later and payments provider.
Klaviyo
Email and SMS marketing platform for e-commerce.
Klook
Booking platform for activities, attraction passes and local transport, strongest in Asia.
Lufthansa
German airline group; its developer portal offers flight status and schedule APIs.
Mailchimp
Email marketing platform owned by Intuit.
Meetup
Platform for organising local interest groups and events.
Mollie
European payment service provider.
MongoDB
Document database and Atlas cloud service.
Netlify
Web hosting and deployment platform.
OpenCage
Geocoding API built on open data.
Opendoor
US online home buying and selling service.
PagerDuty
Incident response and on-call management.
Pinecone
Managed vector database.
Pipedrive
Sales CRM.
Plaid
Financial data network linking bank accounts to apps.
PlanetScale
Managed MySQL and Postgres databases.
PostHog
Product analytics, session replay and feature flags.
Postmark
Transactional email delivery service.
Printful
Print-on-demand and fulfilment service.
Pulumi
Infrastructure-as-code platform using general-purpose languages.
QuickBooks (Intuit)
Accounting software for small businesses from Intuit.
Radar
Geolocation platform with geofencing, geocoding and maps APIs.
Razorpay
Indian payments gateway and business banking.
Redis
In-memory data store and cache.
Resend
Email sending API for developers.
REST Countries
Free API with basic facts about countries.
Rome2Rio
Door-to-door multimodal journey planner showing transport options between places.
Sabre
Travel technology company operating a global distribution system for airline and hotel content.
Salesforce
CRM and enterprise cloud software.
Semgrep
Static analysis and code security scanning.
Semrush
SEO and online visibility platform.
Sentry
Application error monitoring and performance tracing.
SerpApi
API for search engine results pages.
Sherpa°
Travel document service covering visa, entry and health requirements.
Shopify
Commerce platform for online stores; offers MCP servers for storefronts and developers.
Similarweb
Website traffic and market intelligence data.
SiteMinder
Hotel distribution and channel management platform.
Slack
Team messaging platform.
Smartsheet
Spreadsheet-style work management platform.
Square
Payments and point-of-sale platform for small businesses.
Squarespace
Website builder and hosting platform.
Stadia Maps
Map tiles, geocoding and routing APIs.
Target
US general merchandise retailer.
Tavily
Web search and extraction API built for AI agents.
Toast
Point-of-sale and management platform for restaurants.
Tomorrow.io
Weather intelligence platform and API.
Trainline
Rail and coach ticketing platform in Europe.
Transitland
Aggregator of public transit feeds with a REST API.
Traveloka
Southeast Asian online travel agency.
Trip.com
Online travel agency for flights, hotels, trains and tours, part of Trip.com Group.
Turso
Edge SQLite database service.
Twilio
Cloud communications APIs for SMS, voice and email.
Upstash
Serverless Redis, vector and messaging services.
Visual Crossing Weather
Historical and forecast weather data API.
WeatherAPI.com
Weather and geolocation API with a free tier.
Withings
Connected health devices such as scales and watches.
WooCommerce
Open-source e-commerce plugin for WordPress.
WordPress.com
Hosted WordPress website and blogging platform.
Wyndham Hotels & Resorts
Franchised hotel group behind Ramada, Days Inn, Super 8 and other brands.
Xero
Cloud accounting software for small businesses.
Zendesk
Customer service and help desk software.