diff --git a/pkg/mastotypes/model/card.go b/pkg/mastotypes/model/card.go
index 97de795d8..d1147e04b 100644
--- a/pkg/mastotypes/model/card.go
+++ b/pkg/mastotypes/model/card.go
@@ -20,7 +20,42 @@
 
 // Card represents a rich preview card that is generated using OpenGraph tags from a URL. See here: https://docs.joinmastodon.org/entities/card/
 type Card struct {
-	URL         string `json:"url"`
-	Title       string `json:"title"`
+	// REQUIRED
+
+	// Location of linked resource.
+	URL string `json:"url"`
+	// Title of linked resource.
+	Title string `json:"title"`
+	// Description of preview.
 	Description string `json:"description"`
+	// The type of the preview card.
+	//    String (Enumerable, oneOf)
+	//    link = Link OEmbed
+	//    photo = Photo OEmbed
+	//    video = Video OEmbed
+	//    rich = iframe OEmbed. Not currently accepted, so won't show up in practice.
+	Type string `json:"type"`
+
+	// OPTIONAL
+
+	// The author of the original resource.
+	AuthorName string `json:"author_name"`
+	// A link to the author of the original resource.
+	AuthorURL string `json:"author_url"`
+	// The provider of the original resource.
+	ProviderName string `json:"provider_name"`
+	// A link to the provider of the original resource.
+	ProviderURL string `json:"provider_url"`
+	// HTML to be used for generating the preview card.
+	HTML string `json:"html"`
+	// Width of preview, in pixels.
+	Width int `json:"width"`
+	// Height of preview, in pixels.
+	Height int `json:"height"`
+	// Preview thumbnail.
+	Image string `json:"image"`
+	// Used for photo embeds, instead of custom html.
+	EmbedURL string `json:"embed_url"`
+	// A hash computed by the BlurHash algorithm, for generating colorful preview thumbnails when media has not been downloaded yet.
+	Blurhash string `json:"blurhash"`
 }
diff --git a/pkg/mastotypes/model/emoji.go b/pkg/mastotypes/model/emoji.go
index 520bf9198..e9ef95460 100644
--- a/pkg/mastotypes/model/emoji.go
+++ b/pkg/mastotypes/model/emoji.go
@@ -18,6 +18,7 @@
 
 package mastotypes
 
+// Emoji represents a custom emoji. See https://docs.joinmastodon.org/entities/emoji/
 type Emoji struct {
 	// REQUIRED
 
diff --git a/pkg/mastotypes/model/scheduledstatus.go b/pkg/mastotypes/model/scheduledstatus.go
new file mode 100644
index 000000000..ff45eaade
--- /dev/null
+++ b/pkg/mastotypes/model/scheduledstatus.go
@@ -0,0 +1,39 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package mastotypes
+
+// ScheduledStatus represents a status that will be published at a future scheduled date. See https://docs.joinmastodon.org/entities/scheduledstatus/
+type ScheduledStatus struct {
+	ID               string        `json:"id"`
+	ScheduledAt      string        `json:"scheduled_at"`
+	Params           *StatusParams `json:"params"`
+	MediaAttachments []Attachment  `json:"media_attachments"`
+}
+
+// StatusParams represents parameters for a scheduled status. See https://docs.joinmastodon.org/entities/scheduledstatus/
+type StatusParams struct {
+	Text          string   `json:"text"`
+	InReplyToID   string   `json:"in_reply_to_id,omitempty"`
+	MediaIDs      []string `json:"media_ids,omitempty"`
+	Sensitive     bool     `json:"sensitive,omitempty"`
+	SpoilerText   string   `json:"spoiler_text,omitempty"`
+	Visibility    string   `json:"visibility"`
+	ScheduledAt   string   `json:"scheduled_at,omitempty"`
+	ApplicationID string   `json:"application_id"`
+}