Friend List API: Relationships with Privacy Built In
Model invitations, accepted connections, blocking, and visibility as distinct rules rather than one unrestricted array.
Read the guideYOUR FIELD GUIDE TO CONNECTED LISTSBig ideas.
Big ideas.
Better lists.
Notes, tasks, contacts, calendars—and everything in between. Explore list APIs that bring a little more structure to your everyday possibilities.
✓14 practical guides✓Real-world patterns✓No sign-up
The list explorerA little inspiration
Everything has its place.
A good list is the beginning of a better workflow.
Capture a great ideaNote Taking List APINotesMake room for what’s nextTo Do List APITasksPut people in contextContacts List APIPeopleSave it for laterBookmark List APILinks
01 Capture
02 Organize
03 Connect
Explore the guides above. This is not a connected workspace.
✨ Structured, not complicated.Ⅱ Pause the parade▷ Resume the parade
THERE’S A LIST FOR THAT
What would you like to organize?
Start with something familiar. Discover the data model, the useful connections, and the details that make it work.
Note taking
Catch ideas. Keep their context.
Note Taking List APITo-do lists
Turn intentions into next steps.
To Do List APICalendar listings
Give every event its right place.
Calendar Listing APITrello lists
Connect boards, lists, and cards.
Trello List APIObsidian & email
Make your inbox a source of ideas.
Obsidian List EmailNewsletters
Build around reader preferences.
Email Newsletter List APIMailing lists
Keep group membership clear.
Mailing List APIMail messages
Find messages without the noise.
Mail List APIContacts
Organize people, not just fields.
Contacts List APIFriends
Connect with clear boundaries.
Friend List APIAssets
Know what you have and where.
Asset Listing APIFlashcards
Give learning a little structure.
Flashcard List APIProject management
Keep work moving, in context.
Project Management List APIBookmarks
Save something worth returning to.
Bookmark List API
DIFFERENT LISTS. SHARED BUILDING BLOCKS.
Keep the context.
Make the connection.
A contact is not a subscriber. A task is not an event. Learn what makes each list different—and what a thoughtful integration should preserve.
01
Give every item an identity.
A renamed note or a moved task should still be the same item.
02
Make the rules visible.
Know who owns a field, what a state means, and who can see it.
03
Connect with intention.
Start small, keep changes reversible, and plan for the imperfect days.
SMALL STEPS. USEFUL POSSIBILITIES.
From “what’s an API?” to “that makes sense.”
01 /
Find your starting point.
Choose a familiar collection: your reading list, the team’s tasks, or a calendar full of plans.
Meet the list types →02 /
Understand the building blocks.
Get comfortable with records, identifiers, permissions, and the difference between a page and a full collection.
Learn the essentials →03 /
Work through an example.
Read simple JSON, sketch your field model, and use a template to make the next step concrete.
Open the examples →THE LIST JOURNAL
Good reads for better workflows.
Practical guides for the things you capture, the people you connect, and the work you want to move forward.
Flashcard List API: Separate Content from Review State
Design decks, notes, cards, and review events so learning content stays portable without overwriting a learner’s history.
Read the guide
Bookmark List API: Save Links Without Losing Structure
Design bookmark folders, stable references, safe previews, and reversible deduplication around the way people actually save links.
Read the guide
Calendar Listing API: Events, Time Zones, and Sync
Separate calendar containers from events, keep recurring occurrences distinct, and make date boundaries predictable.
Read the guideA FEW THINGS, EXPLAINED
A little clarity
goes a long way.
No mystery endpoints. No surprise sign-ups. Just a useful place to understand connected lists.
What is a list API?
A list API lets an application work with a collection of records, such as notes, tasks, events, or contacts. The useful questions are what one record means, how it is identified, and who may access or change it.
Is ListAPI.com a hosted API service?
ListAPI.com is an independent educational resource. The guides and example files explain list models and integration choices. There are no hosted write endpoints, API keys, accounts, or live third-party connections on this website.
Which kind of email list do I need?
A newsletter audience contains subscription relationships. A discussion mailing list contains group memberships. A mail message list contains messages from a mailbox. Start with the object you actually need rather than treating all three as the same collection.
Can I use the example data?
Yes. The examples page includes clearly marked, synthetic JSON files and an email-to-note Markdown template. They are static learning resources, not production API responses or real personal data.
Where should I begin?
Choose one list type, read its field model, and sketch one small read-only workflow. Then work through identity, permissions, pagination, and recovery before adding automated writes.