vocabulary: name: Resend API Vocabulary description: Domain vocabulary for the Resend email delivery platform API. version: "1.0" created: "2026-05-02" terms: - term: Email definition: A transactional or marketing email message sent through the Resend API. properties: - id - from - to - subject - html - text - created_at - last_event related: ["audience", "broadcast", "domain"] - term: Domain definition: A verified email sending domain configured in Resend for use as the sender address. properties: - id - name - status - region - records related: ["email", "deliverability"] - term: DomainStatus definition: The verification state of an email sending domain. values: - not_started - pending - verified - failed - temporary_failure related: ["domain"] - term: DomainRegion definition: The geographic AWS region where email is sent from, affecting deliverability and latency. values: - us-east-1 - eu-west-1 - sa-east-1 related: ["domain"] - term: Audience definition: A named list of contacts used as the target for broadcast marketing emails. properties: - id - name - created_at related: ["contact", "broadcast"] - term: Contact definition: A subscriber in an audience with an email address and optional personal details. properties: - id - email - first_name - last_name - unsubscribed - created_at related: ["audience"] - term: Broadcast definition: A marketing email campaign sent to an entire audience. properties: - id - name - audience_id - from - subject - status - scheduled_at - sent_at related: ["audience", "email"] - term: BroadcastStatus definition: The current state of a broadcast campaign. values: - draft - queued - sending - sent - cancelled related: ["broadcast"] - term: ApiKey definition: A Resend API authentication credential used as a Bearer token in API requests. properties: - id - name - permission - created_at related: ["authentication"] - term: ApiKeyPermission definition: The access scope granted to an API key. values: - full_access - sending_access related: ["api-key", "authentication"] - term: ScheduledEmail definition: An email configured to be sent at a future date and time specified in ISO 8601 format. related: ["email"] - term: BatchEmail definition: A group of up to 100 emails sent in a single API request for efficiency. related: ["email"] - term: LastEvent definition: The most recent delivery event status for an email. values: - queued - delivered - delivery_delayed - bounced - complained - opened - clicked related: ["email", "deliverability"] - term: Attachment definition: A file included with an email, specified by content (binary), filename, or a hosted URL path. related: ["email"] - term: Tag definition: A custom metadata label applied to an email for filtering and analytics purposes. related: ["email"] - term: RateLimit definition: The constraint of 5 API requests per second per team. Higher limits available upon request. related: ["api", "throttling"]