diff --git a/packages/obsidian-plugin/src/api.ts b/packages/obsidian-plugin/src/api.ts
index 5514f77..0e4e0b5 100644
--- a/packages/obsidian-plugin/src/api.ts
+++ b/packages/obsidian-plugin/src/api.ts
@@ -12,6 +12,7 @@ export interface PostPayload {
 	slug: string;
 	content: string;
 	category_slug?: string;
+	series_slug?: string;
 	tags?: string[];
 }
 
@@ -22,6 +23,8 @@ export interface PostMeta {
 	published_at: string;
 	category_slug?: string;
 	category_name?: string;
+	series_slug?: string;
+	series_name?: string;
 	tags?: string[];
 }
 
diff --git a/packages/obsidian-plugin/src/main.ts b/packages/obsidian-plugin/src/main.ts
index 045c080..dc22213 100644
--- a/packages/obsidian-plugin/src/main.ts
+++ b/packages/obsidian-plugin/src/main.ts
@@ -180,6 +180,9 @@ export default class BlogFlarePlugin extends Plugin {
 								if (detail.category_slug) {
 									frontmatterLines.push(`category_slug: ${detail.category_slug}`);
 								}
+								if (detail.series_slug) {
+									frontmatterLines.push(`series_slug: ${detail.series_slug}`);
+								}
 								frontmatterLines.push('---');
 								
 								const fileContent = frontmatterLines.join('\n') + '\n\n' + (detail.content || '');
@@ -337,6 +340,9 @@ export default class BlogFlarePlugin extends Plugin {
 					if (detail.category_slug) {
 						frontmatterLines.push(`category_slug: ${detail.category_slug}`);
 					}
+					if (detail.series_slug) {
+						frontmatterLines.push(`series_slug: ${detail.series_slug}`);
+					}
 					if (detail.tags && detail.tags.length > 0) {
 						frontmatterLines.push(`tags:`);
 						for (const t of detail.tags) {
@@ -409,6 +415,7 @@ export default class BlogFlarePlugin extends Plugin {
 			const title = frontmatter?.title as string || file.basename;
 			const slug = frontmatter?.slug as string || file.basename.toLowerCase().replace(/\s+/g, '-');
 			const category_slug = frontmatter?.category_slug as string | undefined;
+			const series_slug = frontmatter?.series_slug as string | undefined;
 			const publishedSlug = frontmatter?.blogflare_published_slug as string | undefined;
 
 			let tags: string[] | undefined = undefined;
@@ -421,6 +428,7 @@ export default class BlogFlarePlugin extends Plugin {
 				slug,
 				content,
 				category_slug,
+				series_slug,
 				tags
 			};
 
@@ -481,6 +489,9 @@ export default class BlogFlarePlugin extends Plugin {
 			if (detail.category_slug) {
 				frontmatterLines.push(`category_slug: ${detail.category_slug}`);
 			}
+			if (detail.series_slug) {
+				frontmatterLines.push(`series_slug: ${detail.series_slug}`);
+			}
 			if (detail.tags && detail.tags.length > 0) {
 				frontmatterLines.push(`tags:`);
 				for (const t of detail.tags) {