# LetterBucket knowledge base

## Docs

- [Advanced Settings](https://docs.letterbucket.com/account/advanced.md): Manage your timezone, review recent login activity, and delete your account
- [API Keys](https://docs.letterbucket.com/account/api-keys.md): Connect your own AI provider API keys to use the writing assistant
- [Notifications](https://docs.letterbucket.com/account/notifications.md): Control which email notifications you receive from LetterBucket
- [Profile](https://docs.letterbucket.com/account/profile.md): Manage your personal profile and public author information
- [Architecture](https://docs.letterbucket.com/api/architecture.md): How requests are routed and how the newsletter is resolved from the API key.
- [Authentication](https://docs.letterbucket.com/api/authentication.md): Authenticate requests with a Bearer API key.
- [HTTP status codes](https://docs.letterbucket.com/api/errors.md): Status codes returned by the Newsletter API.
- [Newsletter Public API V1](https://docs.letterbucket.com/api/introduction.md): Create, list, update and unsubscribe newsletter subscribers from external integrations.
- [Lockouts](https://docs.letterbucket.com/api/lockouts.md): Temporary blocks after repeated authentication or request errors.
- [Implementation notes](https://docs.letterbucket.com/api/notes.md): Reference notes about routing, storage and behavior.
- [Rate limits](https://docs.letterbucket.com/api/rate-limits.md): Per-key request limits across minute, hour and day windows.
- [Request validation](https://docs.letterbucket.com/api/request-checks.md): What every request is checked for, and the errors you may receive.
- [Response format](https://docs.letterbucket.com/api/response-format.md): Standard success, error and paginated response envelopes.
- [Bulk create subscribers](https://docs.letterbucket.com/api/subscribers/bulk-create.md): Create up to 100 subscribers in one request.
- [Caching](https://docs.letterbucket.com/api/subscribers/cache.md): Read caching behavior and automatic invalidation on writes.
- [Create a subscriber](https://docs.letterbucket.com/api/subscribers/create.md): Add one subscriber to your newsletter.
- [Unsubscribe a subscriber](https://docs.letterbucket.com/api/subscribers/delete.md): Set a subscriber to unsubscribed.
- [Get a subscriber](https://docs.letterbucket.com/api/subscribers/get.md): Retrieve one subscriber by ID.
- [List subscribers](https://docs.letterbucket.com/api/subscribers/list.md): Paginated list with optional status filter.
- [Endpoints](https://docs.letterbucket.com/api/subscribers/overview.md): All subscriber endpoints at a glance.
- [Subscriber status](https://docs.letterbucket.com/api/subscribers/status.md): Accepted input statuses and the string values returned in responses.
- [Update a subscriber](https://docs.letterbucket.com/api/subscribers/update.md): Update email, name or status.
- [Create a new user account](https://docs.letterbucket.com/create-account.md): Follow these steps to start creating and sending your letters.
- [Custom Domain](https://docs.letterbucket.com/custom-domain/set-custom-domain.md): Set up your own domain easily with this guide
- [Brand Kit](https://docs.letterbucket.com/customize/brand-kit.md): Define your brand colors, swatches, and assets once — and apply them everywhere
- [Customize emails](https://docs.letterbucket.com/customize/letters.md): Create your own style or use one of our templates
- [Website](https://docs.letterbucket.com/customize/website.md): Let's learn how to customize your own website
- [Dashboard](https://docs.letterbucket.com/dashboard/main-view.md): Learn how to use the main Dashboard
- [Best deliverability practices](https://docs.letterbucket.com/deliverability.md): A practical playbook for LetterBucket creators
- [Introduction](https://docs.letterbucket.com/introduction.md): Learn how to start sending emails to your subscribers
- [Monetize Dashboard](https://docs.letterbucket.com/monetize/dashboard.md): Track your paid subscription revenue and manage your paid subscribers
- [Get Started with Monetization](https://docs.letterbucket.com/monetize/get-started.md): Turn on paid subscriptions and start earning from your newsletter with Stripe
- [Paywall & Subscriber Breaks](https://docs.letterbucket.com/monetize/paywall.md): Gate parts of a post so only paying members or subscribers can read past a point
- [What Your Readers Experience](https://docs.letterbucket.com/monetize/reader-experience.md): The subscription journey your readers go through, from pricing page to managing their plan
- [Custom Pages](https://docs.letterbucket.com/pages/custom-pages.md): Create standalone pages and custom links for your newsletter website
- [Post Analytics](https://docs.letterbucket.com/posts/analytics.md): Understand how your emails and posts perform with detailed metrics
- [Posts manager](https://docs.letterbucket.com/posts/posts.md): This is the place where all your posts live.
- [Glossary](https://docs.letterbucket.com/resources/glossary.md): Find here all the terminology we use
- [Welcome series best practices](https://docs.letterbucket.com/resources/welcome-series.md): How to build a welcome series that builds trust, sets expectations, and keeps subscribers engaged from day one
- [AI Providers](https://docs.letterbucket.com/settings/ai-providers.md): Connect your own AI API keys to use in the writing assistant
- [API Keys](https://docs.letterbucket.com/settings/api-keys.md): Create and manage API keys for the LetterBucket Public API
- [Billing & Plans](https://docs.letterbucket.com/settings/billing.md): Manage your subscription plan and payment details
- [Content Import](https://docs.letterbucket.com/settings/content-import.md): Import your existing posts and subscribers from another newsletter platform
- [Email Settings](https://docs.letterbucket.com/settings/email-settings.md): Configure the sender details and footer for your outgoing emails
- [Export Data](https://docs.letterbucket.com/settings/export-data.md): Download your subscribers and posts as CSV files for backup or migration
- [Newsletter Overview](https://docs.letterbucket.com/settings/newsletter-overview.md): Manage your newsletters and collaborations from one place
- [Newsletter Settings](https://docs.letterbucket.com/settings/newsletter-settings.md): Configure your newsletter's name, branding, language, and more
- [Account Security](https://docs.letterbucket.com/settings/security.md): Set up two-factor authentication and manage your account security
- [Social Networks](https://docs.letterbucket.com/settings/social-networks.md): Add your newsletter's social media profiles to display on your website
- [Team Members](https://docs.letterbucket.com/settings/team.md): Invite collaborators to your newsletter and manage their permissions
- [Add Subscribers](https://docs.letterbucket.com/subscribers/add-subscribers.md): Learn how to add subscribers and manage them
- [Segments](https://docs.letterbucket.com/subscribers/segments.md): Group your subscribers to send targeted emails to the right people
- [Subscription Forms](https://docs.letterbucket.com/subscribers/subscription-forms.md): Create embeddable signup forms to grow your audience from any website
- [Welcome Email](https://docs.letterbucket.com/subscribers/welcome-email.md): Learn how to set your welcome email automation
- [AI Writing Assistant](https://docs.letterbucket.com/writing/ai-assistant.md): Use AI to improve, rewrite, translate, and generate content directly in the editor
- [Columns](https://docs.letterbucket.com/writing/columns.md): Create multi-column layouts inside your emails and posts
- [Custom Blocks](https://docs.letterbucket.com/writing/custom-blocks.md): Design reusable content components once and insert them into any newsletter in seconds
- [Media Gallery](https://docs.letterbucket.com/writing/media-gallery.md): Manage all your uploaded images in one place
- [Polls](https://docs.letterbucket.com/writing/polls-surveys.md): Add interactive polls to your emails and posts to engage your readers
- [Send and Publish](https://docs.letterbucket.com/writing/send-and-publish.md): Finalize the details before sending and publishing your post
- [Start Writing](https://docs.letterbucket.com/writing/start-writing.md): Let's learn how to use the most powerful text editor 💪
- [Tables](https://docs.letterbucket.com/writing/tables.md): Add structured data to your emails and posts with tables
- [Templates](https://docs.letterbucket.com/writing/templates.md): Start your posts from pre-designed templates or save your own reusable designs

## OpenAPI Specs

- [openapi](https://docs.letterbucket.com/openapi.json)