# AutoSend Documentation

> AutoSend is an email platform for developers and marketers to send transactional and marketing emails.

## Docs

- [Integrate AutoSend with Bolt](https://docs.autosend.com/ai/integrations/bolt.md): Send emails from your Bolt app using AutoSend's email API.
- [Integrate AutoSend with Lovable](https://docs.autosend.com/ai/integrations/lovable.md): Add email sending to your Lovable app using AutoSend's email API.
- [Integrate AutoSend with Replit](https://docs.autosend.com/ai/integrations/replit.md): Add email capabilities to your Replit project using AutoSend.
- [Integrate AutoSend with v0](https://docs.autosend.com/ai/integrations/v0.md): Integrate AutoSend email sending into your v0 project.
- [Agentic Integrations](https://docs.autosend.com/ai/introduction.md): Enable AI agents to work seamlessly with AutoSend. Our MCP server and skills integrate with coding agents, MCP clients, and no-code platforms.
- [Connect AutoSend MCP to Antigravity](https://docs.autosend.com/ai/mcp-clients/antigravity.md): Set up AutoSend MCP server in Google Antigravity.
- [Connect AutoSend MCP to ChatGPT](https://docs.autosend.com/ai/mcp-clients/chatgpt.md): Set up AutoSend MCP server as a connector in ChatGPT.
- [Connect AutoSend MCP to Claude](https://docs.autosend.com/ai/mcp-clients/claude.md): Set up AutoSend MCP server in Claude Desktop and Claude Code.
- [Connect AutoSend MCP to Codex CLI](https://docs.autosend.com/ai/mcp-clients/codex.md): Set up AutoSend MCP server in OpenAI Codex CLI.
- [Connect AutoSend MCP to VS Code (Copilot)](https://docs.autosend.com/ai/mcp-clients/copilot.md): Set up AutoSend MCP server in VS Code with GitHub Copilot.
- [Connect AutoSend MCP to Cursor](https://docs.autosend.com/ai/mcp-clients/cursor.md): Set up AutoSend MCP server in Cursor to manage emails with AI.
- [Connect AutoSend MCP to Raycast](https://docs.autosend.com/ai/mcp-clients/raycast.md): Set up AutoSend MCP server in Raycast.
- [Connect AutoSend MCP to Windsurf](https://docs.autosend.com/ai/mcp-clients/windsurf.md): Set up AutoSend MCP server in Windsurf to manage emails with AI.
- [AutoSend MCP Server](https://docs.autosend.com/ai/mcp-server.md): Manage AutoSend campaigns, automations, templates, contacts, senders, and analytics from any MCP-compatible AI assistant.
- [AutoSend Skill](https://docs.autosend.com/ai/skills.md): Install the AutoSend skill to give AI coding agents context about the AutoSend email API.
- [API Keys](https://docs.autosend.com/api-keys.md): All API requests to AutoSend must be authenticated using an API key. This guide covers the two types of API keys, how to create them, and how to use them.
- [Create Automation](https://docs.autosend.com/api-reference/automations/create-automation.md): Creates a new workflow automation. Pass `active: true` to activate the workflow as part of the create call.
- [Delete Automation](https://docs.autosend.com/api-reference/automations/delete-automation.md): Soft-deletes a workflow automation. Active executions are stopped.
- [Get Automation](https://docs.autosend.com/api-reference/automations/get-automation.md): Retrieves a single workflow automation by its ID.
- [List Automations](https://docs.autosend.com/api-reference/automations/list-automations.md): Retrieves workflow automations for the project, with optional filtering by status and tags.
- [Pause Automation](https://docs.autosend.com/api-reference/automations/pause-automation.md): Pauses an active workflow automation. New contacts will not enter the workflow while paused.
- [Resume Automation](https://docs.autosend.com/api-reference/automations/resume-automation.md): Resumes a paused workflow automation back to active state.
- [Update Automation](https://docs.autosend.com/api-reference/automations/update-automation.md): Updates a workflow automation. Only draft and paused workflows can be edited. Pass `active: true` to activate after the update.
- [API Best Practices](https://docs.autosend.com/api-reference/best-practices.md): Security and development best practices for using the AutoSend email API.
- [Abort Campaign](https://docs.autosend.com/api-reference/campaigns/abort.md): Abort a running campaign to immediately stop all pending email sends using the AutoSend API.
- [Create Campaign](https://docs.autosend.com/api-reference/campaigns/create.md): Create a new email marketing campaign with sender, template, recipient lists, and scheduling options via the AutoSend API.
- [Delete Campaign](https://docs.autosend.com/api-reference/campaigns/delete.md): Permanently delete a campaign by ID using the AutoSend API.
- [Get Campaign](https://docs.autosend.com/api-reference/campaigns/get.md): Retrieve the details of a specific campaign by its ID using the AutoSend API.
- [List Campaigns](https://docs.autosend.com/api-reference/campaigns/list.md): List all campaigns in your account with optional filtering and pagination using the AutoSend API.
- [Pause Campaign](https://docs.autosend.com/api-reference/campaigns/pause.md): Pause a running campaign to temporarily stop email sends using the AutoSend API.
- [Resume Campaign](https://docs.autosend.com/api-reference/campaigns/resume.md): Resume a paused campaign to continue sending emails using the AutoSend API.
- [Update Campaign](https://docs.autosend.com/api-reference/campaigns/update.md): Update an existing campaign's settings, content, or scheduling using the AutoSend API.
- [Bulk Add Contacts to List](https://docs.autosend.com/api-reference/contact-lists/bulk-add.md): Add multiple contacts to a contact list in a single request using the AutoSend API.
- [Create Contact List](https://docs.autosend.com/api-reference/contact-lists/create.md): Create a new contact list to organize and segment your recipients using the AutoSend API.
- [Delete Contact List](https://docs.autosend.com/api-reference/contact-lists/delete.md): Permanently delete a contact list by ID using the AutoSend API.
- [Get Contact List](https://docs.autosend.com/api-reference/contact-lists/get.md): Retrieve the details of a specific contact list by its ID using the AutoSend API.
- [Get Contacts in List](https://docs.autosend.com/api-reference/contact-lists/get-contacts.md): Search and retrieve contacts within a specific contact list using the AutoSend API.
- [List Contact Lists](https://docs.autosend.com/api-reference/contact-lists/list.md): List all contact lists in your account with optional pagination using the AutoSend API.
- [Remove Contacts from List](https://docs.autosend.com/api-reference/contact-lists/remove-contacts.md): Remove one or more contacts from a specific contact list using the AutoSend API.
- [Create Contact Property](https://docs.autosend.com/api-reference/contact-properties/create.md): Create a new contact property to store additional contact attributes using the AutoSend API.
- [Delete Contact Property by Name](https://docs.autosend.com/api-reference/contact-properties/delete.md): Delete a contact property by name to remove it from all contacts using the AutoSend API.
- [Get Contact Property by Name](https://docs.autosend.com/api-reference/contact-properties/get-by-name.md): Retrieve a specific contact property's details by its name using the AutoSend API.
- [List Contact Properties](https://docs.autosend.com/api-reference/contact-properties/list.md): List all contact properties defined in your account using the AutoSend API.
- [Bulk Update Contacts](https://docs.autosend.com/api-reference/contacts/bulk-update-contacts.md): Updates or creates multiple contacts in a single API request. Each contact is either created (if it doesn't exist) or updated (if it does) based on the email address. Maximum limit: 100 contacts per request.
- [Create Contact](https://docs.autosend.com/api-reference/contacts/create-contacts.md): Creates a new contact in your AutoSend project.
- [Delete Contact by ID](https://docs.autosend.com/api-reference/contacts/delete-contact-by-ids.md): Deletes a contact by its id.
- [Delete Contact by User ID](https://docs.autosend.com/api-reference/contacts/delete-contact-by-user-id.md): Permanently deletes a contact identified by the userId field (your application's user identifier).
- [Get Contact by ID](https://docs.autosend.com/api-reference/contacts/get-contact-by-id.md): Retrieves a single contact by its unique identifier.
- [Get Unsubscribe Groups](https://docs.autosend.com/api-reference/contacts/get-unsubscribe-groups.md): Returns an array of unsubscribe group
- [Remove Contacts](https://docs.autosend.com/api-reference/contacts/remove.md): Removes one or more contacts by their email addresses. Returns the IDs of the contacts that were successfully removed.
- [Search Contacts by Emails](https://docs.autosend.com/api-reference/contacts/search-contacts-by-emails.md): Searches for multiple contacts by their email addresses in a single request. Returns all matching contacts found in your project.
- [Upsert Contact](https://docs.autosend.com/api-reference/contacts/upsert-contact.md): Creates a new contact or updates an existing contact if the email already exists.
- [Create Custom Field](https://docs.autosend.com/api-reference/custom-fields/create.md): Create a new custom field to store additional contact attributes using the AutoSend API.
- [Delete Custom Field by Name](https://docs.autosend.com/api-reference/custom-fields/delete.md): Delete a custom field by name to remove it from all contacts using the AutoSend API.
- [Get Custom Field by Name](https://docs.autosend.com/api-reference/custom-fields/get-by-name.md): Retrieve a specific custom field's details by its name using the AutoSend API.
- [List Custom Fields](https://docs.autosend.com/api-reference/custom-fields/list.md): List all custom fields defined in your account using the AutoSend API.
- [Add Domain](https://docs.autosend.com/api-reference/domains/add.md): Add a new sending domain to your account for email authentication using the AutoSend API.
- [Delete Domain](https://docs.autosend.com/api-reference/domains/delete.md): Remove a sending domain from your account using the AutoSend API.
- [Disable Inbound](https://docs.autosend.com/api-reference/domains/disable-inbound.md): Disable inbound email receiving on a custom domain using the AutoSend API.
- [Enable Inbound](https://docs.autosend.com/api-reference/domains/enable-inbound.md): Enable inbound email receiving on a verified custom domain using the AutoSend API.
- [Get Domain](https://docs.autosend.com/api-reference/domains/get.md): Retrieve the details and verification status of a specific domain using the AutoSend API.
- [List Domains](https://docs.autosend.com/api-reference/domains/list.md): List all sending domains configured in your account using the AutoSend API.
- [Verify Domain](https://docs.autosend.com/api-reference/domains/verify.md): Trigger DNS verification for a sending domain to confirm ownership using the AutoSend API.
- [API Errors](https://docs.autosend.com/api-reference/errors.md): This guide provides a comprehensive breakdown of all possible API errors, HTTP status codes, and how to handle them effectively.
- [Create Event](https://docs.autosend.com/api-reference/events/create-event.md): Creates a new event definition under the project.
- [Delete Event](https://docs.autosend.com/api-reference/events/delete-event.md): Soft-deletes an event definition. Existing event logs for this name are retained but no new logs can be recorded against it.
- [Get Event](https://docs.autosend.com/api-reference/events/get-event.md): Retrieves a single event definition by its name.
- [List Events](https://docs.autosend.com/api-reference/events/list-events.md): Retrieves all event definitions for the authenticated project.
- [Send Event](https://docs.autosend.com/api-reference/events/send-event.md): Records an event log for a contact. The eventName must match an existing event definition; properties are validated and coerced against the declared schema.
- [Update Event](https://docs.autosend.com/api-reference/events/update-event.md): Updates the description or property schema of an existing event definition. The eventName itself cannot be changed.
- [Download Attachment](https://docs.autosend.com/api-reference/inbound-emails/download-attachment.md): Retrieves a single attachment from an inbound message, referenced by its attachmentId or zero-based index. By default returns JSON metadata with a short-lived pre-signed download URL; pass download=true to stream the raw attachment bytes with the appropriate Content-Type and Content-Disposition head…
- [Get Message](https://docs.autosend.com/api-reference/inbound-emails/get-message.md): Retrieves a single inbound email message by its ID, including full text/HTML bodies, headers, attachments metadata, threading information, and verdicts.
- [List Messages](https://docs.autosend.com/api-reference/inbound-emails/list-messages.md): Retrieves inbound email messages received on the authenticated project's inbound-enabled domains. Supports filtering by domain, sender, recipient, thread, subject search, and date range, with pagination. Blocked/unrouted messages are excluded unless includeBlocked is set.
- [Reply to Message](https://docs.autosend.com/api-reference/inbound-emails/reply-to-message.md): Sends a reply to an inbound email message. The reply is threaded into the original conversation via In-Reply-To and References headers, and queued through the standard sending pipeline. The from domain must be a verified sending domain on the project.
- [API Reference](https://docs.autosend.com/api-reference/introduction.md): Send transactional emails programmatically using the AutoSend REST API. This guide covers details of all APIs, request/response formats, and best practices.
- [Send Bulk Email](https://docs.autosend.com/api-reference/mails/bulk.md): Sends the same email to multiple recipients in a single API request. This endpoint is identical to the send email endpoint, with the only difference being that `recipients` is an array of recipients instead of a single recipient. Maximum limit: 100 recipients per request.
- [Send Email](https://docs.autosend.com/api-reference/mails/send.md): Sends a transactional or marketing email. Either templateId OR html/text content must be provided. If using a template, subject is optional.
- [Create Project](https://docs.autosend.com/api-reference/projects/create-project.md): Creates a new project under the organization. The number of projects is limited by the organization's plan. Requires an organization admin API key (ASA_ prefix).
- [Delete Project](https://docs.autosend.com/api-reference/projects/delete-project.md): Deletes a project by its ID. The project must belong to the organization. Requires an organization admin API key (ASA_ prefix). No OTP verification is required for admin API key callers.
- [Get Project](https://docs.autosend.com/api-reference/projects/get-project.md): Retrieves a single project by its ID. The project must belong to the organization. Requires an organization admin API key (ASA_ prefix).
- [List Projects](https://docs.autosend.com/api-reference/projects/list-projects.md): Retrieves all projects for the authenticated organization. Requires an organization admin API key (ASA_ prefix).
- [Rate Limit](https://docs.autosend.com/api-reference/rate-limit.md): Learn how AutoSend rate limits work, including sending thresholds and API limits
- [Create Sender](https://docs.autosend.com/api-reference/senders/create.md): Create a new sender identity with email address and display name using the AutoSend API.
- [Delete Sender](https://docs.autosend.com/api-reference/senders/delete.md): Delete a sender identity by ID using the AutoSend API.
- [Get Sender](https://docs.autosend.com/api-reference/senders/get.md): Retrieve the details of a specific sender identity by ID using the AutoSend API.
- [List Senders](https://docs.autosend.com/api-reference/senders/list.md): List all sender identities configured in your account using the AutoSend API.
- [Bulk Suppress Emails](https://docs.autosend.com/api-reference/suppression-groups/bulk-suppress.md): Add multiple email addresses to a suppression group in bulk using the AutoSend API.
- [Bulk Unsuppress Emails](https://docs.autosend.com/api-reference/suppression-groups/bulk-unsuppress.md): Remove multiple email addresses from a suppression group in bulk using the AutoSend API.
- [Create Suppression Group](https://docs.autosend.com/api-reference/suppression-groups/create.md): Create a new suppression group for managing email opt-outs by category using the AutoSend API.
- [Delete Suppression Group](https://docs.autosend.com/api-reference/suppression-groups/delete.md): Delete a suppression group by ID using the AutoSend API.
- [Get Suppression Group](https://docs.autosend.com/api-reference/suppression-groups/get.md): Retrieve the details of a specific suppression group by ID using the AutoSend API.
- [List Suppression Groups](https://docs.autosend.com/api-reference/suppression-groups/list.md): List all suppression groups in your account using the AutoSend API.
- [Search Suppression Entries](https://docs.autosend.com/api-reference/suppression-groups/search-entries.md): Search for specific email addresses within a suppression group using the AutoSend API.
- [Update Suppression Group](https://docs.autosend.com/api-reference/suppression-groups/update.md): Update a suppression group's name or description using the AutoSend API.
- [Create Template](https://docs.autosend.com/api-reference/templates/create.md): Create a new email template with HTML content and design settings using the AutoSend API.
- [Delete Template](https://docs.autosend.com/api-reference/templates/delete.md): Delete an email template by ID using the AutoSend API.
- [Get Template](https://docs.autosend.com/api-reference/templates/get.md): Retrieve the details and content of a specific email template by ID using the AutoSend API.
- [List Templates](https://docs.autosend.com/api-reference/templates/list.md): List all email templates in your account with optional pagination using the AutoSend API.
- [Search Templates](https://docs.autosend.com/api-reference/templates/search.md): Search for email templates by name or other criteria using the AutoSend API.
- [Update Template](https://docs.autosend.com/api-reference/templates/update.md): Update an existing email template's content, subject, or settings using the AutoSend API.
- [Update Preview Text](https://docs.autosend.com/api-reference/templates/update-preview-text.md): Update the preview text of an email template using the AutoSend API.
- [Create Webhook](https://docs.autosend.com/api-reference/webhooks/create-webhook.md): Creates a new webhook subscribed to one or more events. The signing secret is returned only on creation — store it securely, as it cannot be retrieved again except via the reveal endpoint.
- [Delete Webhook](https://docs.autosend.com/api-reference/webhooks/delete-webhook.md): Deletes a webhook by its ID. The webhook must belong to the authenticated project.
- [Get Webhook](https://docs.autosend.com/api-reference/webhooks/get-webhook.md): Retrieves a single webhook by its ID. The webhook must belong to the authenticated project. The signing secret is not included.
- [List Delivery Logs](https://docs.autosend.com/api-reference/webhooks/list-delivery-logs.md): Retrieves the delivery attempt history for a webhook, including response status and timestamps. Supports pagination.
- [List Webhooks](https://docs.autosend.com/api-reference/webhooks/list-webhooks.md): Retrieves all webhooks for the authenticated project. Supports filtering by active state and pagination. Secrets are never included in list responses.
- [Resend Webhook](https://docs.autosend.com/api-reference/webhooks/resend-webhook.md): Queues a test delivery of a given event to the webhook's URL. The webhook must be subscribed to the supplied event.
- [Reveal Webhook Secret](https://docs.autosend.com/api-reference/webhooks/reveal-webhook-secret.md): Returns the raw signing secret for a webhook so you can verify payload signatures. The webhook must belong to the authenticated organization.
- [Update Webhook](https://docs.autosend.com/api-reference/webhooks/update-webhook.md): Updates a webhook's URL, subscribed events, active state, or metadata. The signing secret is immutable — create a new webhook to rotate it.
- [Email Automations](https://docs.autosend.com/automations.md): Create contact-triggered email automations with four trigger types: added to list or segment, contact property matching, contact property changes, and event received.
- [Branching](https://docs.autosend.com/automations/branching.md): Branching lets you send different emails to different contacts within the same automation, based on contact properties or event properties.
- [How to Create an Email Automation](https://docs.autosend.com/automations/create.md): Learn how to create a contact-triggered email automation in AutoSend, including setting up triggers, adding emails, configuring settings, and activating your automation.
- [Events](https://docs.autosend.com/automations/events.md): Events are actions from your app, like signups or purchases, that you can use to trigger automations, create segments, and more.
- [Download official AutoSend logos](https://docs.autosend.com/brand-kit.md): Access official AutoSend brand assets including logos, icons, and brand guidelines for your integrations and marketing materials.
- [Changelog](https://docs.autosend.com/changelog.md): The latest updates, new features, improvements, and fixes shipped to AutoSend.
- [How to Add Sending Domain in AutoSend?](https://docs.autosend.com/domain.md): Here's a step-by-step guide on how to verify and authenticate domain on AutoSend for sending emails.
- [Send Emails with QStash](https://docs.autosend.com/guides/QStash.md): Use Upstash QStash to queue, schedule, retry, and reliably deliver emails through AutoSend.
- [Send emails from Auth0 with a Custom Email Provider Action](https://docs.autosend.com/guides/auth0-custom-action.md): Use the AutoSend API to deliver Auth0 authentication emails when SMTP is not an option.
- [Send emails with Better Auth](https://docs.autosend.com/guides/better-auth.md): Learn how to send authentication emails using AutoSend with Better Auth for email verification, password reset, and OTP.
- [Send emails with Convex](https://docs.autosend.com/guides/convex.md): Use the official AutoSend Convex component to send transactional emails with built-in queueing, retries, and webhook tracking.
- [How to send emails from Auth0 with SMTP](https://docs.autosend.com/guides/smtp/auth0.md): Configure Auth0 to send authentication emails through AutoSend SMTP.
- [How to send emails from Customer.io with SMTP](https://docs.autosend.com/guides/smtp/customerio.md): Configure Customer.io to send emails through AutoSend SMTP.
- [How to send emails from Descope with SMTP](https://docs.autosend.com/guides/smtp/descope.md): Configure Descope to send authentication emails through AutoSend SMTP.
- [How to send emails with Nodemailer and AutoSend SMTP](https://docs.autosend.com/guides/smtp/nodemailer.md): Send transactional emails from Node.js applications using Nodemailer with AutoSend SMTP.
- [How to send emails from Supabase with SMTP](https://docs.autosend.com/guides/smtp/supabase.md): Configure Supabase Auth to send authentication emails through AutoSend SMTP.
- [How to send emails from WordPress with SMTP](https://docs.autosend.com/guides/smtp/wordpress.md): Configure WordPress to send emails through AutoSend SMTP.
- [Send emails with Supabase Edge Functions](https://docs.autosend.com/guides/supabase-edge-functions.md): Learn how to send transactional emails from Supabase Edge Functions using AutoSend.
- [Inbound Email API](https://docs.autosend.com/inbound/introduction.md): Receive incoming emails on AutoSend through webhooks, then read, parse, or reply to them programmatically with the Inbound Email API.
- [What is AutoSend?](https://docs.autosend.com/index.md): AutoSend is an email platform for developers and marketers to send transactional and marketing emails, receive inbound emails via API, and integrate with AI agents.
- [Product Hunt Launch Toolkit](https://docs.autosend.com/launch-toolkit.md): Ready-to-use posts and media assets to support our Product Hunt launch
- [Campaigns](https://docs.autosend.com/marketing-emails/campaigns.md): Create and send one-time or scheduled marketing emails to your contacts, lists, or segments.
- [Contact Properties](https://docs.autosend.com/marketing-emails/contacts/contact-properties.md): Store additional contact information and personalize your emails with contact properties.
- [Import Contacts via CSV](https://docs.autosend.com/marketing-emails/contacts/import-csv.md)
- [Contacts](https://docs.autosend.com/marketing-emails/contacts/introduction.md): Manage your email contacts, organize them into lists and segments, and personalize your emails.
- [Lists](https://docs.autosend.com/marketing-emails/contacts/lists.md): Organize contacts into static groups for targeted email campaigns.
- [Segments](https://docs.autosend.com/marketing-emails/contacts/segments.md): Create dynamic groups of contacts based on conditions and filters that update automatically.
- [Domain Warmup with AutoSend](https://docs.autosend.com/marketing-emails/domain-warmup.md): Learn how to warm up your domain to build sender reputation and improve email deliverability using Gradual Send in AutoSend.
- [Senders](https://docs.autosend.com/marketing-emails/sender.md): Configure sender email addresses that appear in the From field of your marketing campaigns.
- [Migrate from Resend to AutoSend](https://docs.autosend.com/migration/resend.md): Use the Resend Migration API to move templates, contacts, audiences, custom fields, topics, and unsubscribes from Resend into AutoSend.
- [Migrate from SendGrid to AutoSend](https://docs.autosend.com/migration/sendgrid.md): Use the SendGrid Migration API to move dynamic templates, contacts, lists, custom fields, and unsubscribe groups from SendGrid into AutoSend.
- [Billing](https://docs.autosend.com/others/account/billing.md): Manage your AutoSend subscription, payment methods, and invoices. Billing is handled through Stripe and is accessible to workspace Admins only.
- [Usage](https://docs.autosend.com/others/account/usage.md): Track how many emails you have sent against your plan limit, get notified before you run out, and top up with email credits or auto-reload.
- [Encrypted Payloads (JWE)](https://docs.autosend.com/others/encrypted-payloads.md): Encrypt your API request bodies end-to-end with JWE before sending them to AutoSend. Encryption is fully opt-in, per request.
- [Suppressions](https://docs.autosend.com/others/suppressions.md): Suppressions in AutoSend help ensure that your emails are only sent to valid, consenting recipients.
- [Team](https://docs.autosend.com/others/team.md): Collaborate with your team by inviting members to your AutoSend workspace. This guide covers how to invite, manage, and remove team members.
- [Unsubscribe Groups](https://docs.autosend.com/others/unsubscribe-groups.md): Unsubscribe Groups help you categorize your emails based on their purpose or audience.
- [Event Types](https://docs.autosend.com/others/webhooks/event-type.md): Complete list of supported webhook event types and their payloads.
- [Webhooks](https://docs.autosend.com/others/webhooks/introduction.md): Use webhooks to notify your application about email and contact events in real-time.
- [Retries and Replays](https://docs.autosend.com/others/webhooks/retries.md): Learn how AutoSend automatically handles failed webhook deliveries.
- [Verify Webhook Requests](https://docs.autosend.com/others/webhooks/verify-requests.md): Learn how to verify that webhook requests are genuinely from AutoSend using HMAC-SHA256 signature verification.
- [Projects](https://docs.autosend.com/projects.md): Organize your work into separate Projects - each with its own API keys, contacts, senders, and settings, all under one account and subscription.
- [Quickstart](https://docs.autosend.com/quickstart.md): Send your first emails with AutoSend email API in less than 10 minutes.
- [How to send email with AutoSend API](https://docs.autosend.com/quickstart/email-using-api.md): Learn how to send emails using the AutoSend API with code examples in multiple programming languages.
- [How to send email with AutoSend SMTP](https://docs.autosend.com/quickstart/smtp.md): Send transactional emails using AutoSend's SMTP relay service. Integrate with any application that supports SMTP.
- [AutoSend Node.js SDK](https://docs.autosend.com/sdk/nodejs.md): Get started with the official AutoSend Node.js SDK to send emails programmatically.
- [Email Activity](https://docs.autosend.com/transactional-emails/email-activity.md): Track delivery, performance, and troubleshoot issues for your transactional emails.
- [Email Templates](https://docs.autosend.com/transactional-emails/email-templates.md): Create reusable, personalized email templates for transactional emails.
- [Troubleshooting](https://docs.autosend.com/transactional-emails/troubleshooting.md): Common issues and solutions for email templates, rendering, and delivery problems.
- [What are Variables in AutoSend?](https://docs.autosend.com/transactional-emails/variables.md): Variables let you personalize your transactional emails by dynamically inserting data such as a recipient’s name, order details, or verification link into your email templates.
- [How is my AutoSend account health measured?](https://docs.autosend.com/wiki/account-health.md): Learn how AutoSend uses your bounce rate and complaint rate to determine account health, what each health stage means, and how to keep your account in good standing.
- [Why does my account have a daily sending limit?](https://docs.autosend.com/wiki/daily-sending-limit.md): Understand why AutoSend applies a 300 emails/day limit to every new sending domain, how it protects your deliverability, and how the limit grows as you warm up.

## OpenAPI Specs

- [inbound-emails-api](https://docs.autosend.com/api-reference/inbound-emails/inbound-emails-api.json)
- [contact-properties-api](https://docs.autosend.com/api-reference/contact-properties/contact-properties-api.json)
- [projects-api](https://docs.autosend.com/api-reference/projects/projects-api.json)
- [webhooks-api](https://docs.autosend.com/api-reference/webhooks/webhooks-api.json)
- [custom-fields-api](https://docs.autosend.com/api-reference/custom-fields/custom-fields-api.json)
- [suppression-groups-api](https://docs.autosend.com/api-reference/suppression-groups/suppression-groups-api.json)
- [domains-api](https://docs.autosend.com/api-reference/domains/domains-api.json)
- [campaigns-api](https://docs.autosend.com/api-reference/campaigns/campaigns-api.json)
- [events-api](https://docs.autosend.com/api-reference/events/events-api.json)
- [automations-api](https://docs.autosend.com/api-reference/automations/automations-api.json)
- [mails-api](https://docs.autosend.com/api-reference/mails/mails-api.json)
- [contacts-api](https://docs.autosend.com/api-reference/contacts/contacts-api.json)
- [contact-lists-api](https://docs.autosend.com/api-reference/contact-lists/contact-lists-api.json)
- [templates-api](https://docs.autosend.com/api-reference/templates/templates-api.json)
- [senders-api](https://docs.autosend.com/api-reference/senders/senders-api.json)