diff --git a/CHANGELOG.md b/CHANGELOG.md
index 88a99197..ebeac849 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ Unreleased changes are in the `master` branch.
 
 ## [Unreleased]
 
+### Fixed
+
+- `drep_id` path parameter description on `/governance/dreps/{drep_id}/*` endpoints: hexadecimal DRep IDs were never accepted, only Bech32 (legacy or CIP-129)
+
 ## [0.1.93] - 2026-09-01
 
 ### Added
diff --git a/blockfrost-openapi.yaml b/blockfrost-openapi.yaml
index 5aa8effa..bbf84aea 100644
--- a/blockfrost-openapi.yaml
+++ b/blockfrost-openapi.yaml
@@ -1179,7 +1179,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1210,7 +1210,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
@@ -1271,7 +1271,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1302,7 +1302,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
         - in: query
           name: count
@@ -1363,7 +1363,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
diff --git a/docs/blockfrost-openapi.yaml b/docs/blockfrost-openapi.yaml
index 0bc60d4e..a4ee15e1 100644
--- a/docs/blockfrost-openapi.yaml
+++ b/docs/blockfrost-openapi.yaml
@@ -1316,7 +1316,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1347,7 +1347,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
@@ -1410,7 +1410,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1441,7 +1441,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
         - in: query
           name: count
@@ -1504,7 +1504,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
diff --git a/openapi.json b/openapi.json
index 63a9e56c..a6665763 100644
--- a/openapi.json
+++ b/openapi.json
@@ -1374,7 +1374,7 @@
             "schema": {
               "type": "string"
             },
-            "description": "Bech32 or hexadecimal DRep ID.",
+            "description": "Bech32 DRep ID (legacy or CIP-129).",
             "example": "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
           }
         ],
@@ -1422,7 +1422,7 @@
             "schema": {
               "type": "string"
             },
-            "description": "Bech32 or hexadecimal drep ID.",
+            "description": "Bech32 DRep ID (legacy or CIP-129).",
             "example": "drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn"
           },
           {
@@ -1508,7 +1508,7 @@
             "schema": {
               "type": "string"
             },
-            "description": "Bech32 or hexadecimal DRep ID.",
+            "description": "Bech32 DRep ID (legacy or CIP-129).",
             "example": "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
           }
         ],
@@ -1556,7 +1556,7 @@
             "schema": {
               "type": "string"
             },
-            "description": "Bech32 or hexadecimal DRep ID.",
+            "description": "Bech32 DRep ID (legacy or CIP-129).",
             "example": "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
           },
           {
@@ -1642,7 +1642,7 @@
             "schema": {
               "type": "string"
             },
-            "description": "Bech32 or hexadecimal drep ID.",
+            "description": "Bech32 DRep ID (legacy or CIP-129).",
             "example": "drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn"
           },
           {
diff --git a/openapi.yaml b/openapi.yaml
index 0bc60d4e..a4ee15e1 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -1316,7 +1316,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1347,7 +1347,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
@@ -1410,7 +1410,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
       responses:
         '200':
@@ -1441,7 +1441,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal DRep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
         - in: query
           name: count
@@ -1504,7 +1504,7 @@ paths:
           required: true
           schema:
             type: string
-          description: Bech32 or hexadecimal drep ID.
+          description: Bech32 DRep ID (legacy or CIP-129).
           example: drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
         - in: query
           name: count
diff --git a/src/generated-types.ts b/src/generated-types.ts
index d1f24685..4631b438 100644
--- a/src/generated-types.ts
+++ b/src/generated-types.ts
@@ -1053,7 +1053,7 @@ export interface paths {
                 header?: never;
                 path: {
                     /**
-                     * @description Bech32 or hexadecimal DRep ID.
+                     * @description Bech32 DRep ID (legacy or CIP-129).
                      * @example drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
                      */
                     drep_id: string;
@@ -1112,7 +1112,7 @@ export interface paths {
                 header?: never;
                 path: {
                     /**
-                     * @description Bech32 or hexadecimal drep ID.
+                     * @description Bech32 DRep ID (legacy or CIP-129).
                      * @example drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
                      */
                     drep_id: string;
@@ -1162,7 +1162,7 @@ export interface paths {
                 header?: never;
                 path: {
                     /**
-                     * @description Bech32 or hexadecimal DRep ID.
+                     * @description Bech32 DRep ID (legacy or CIP-129).
                      * @example drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
                      */
                     drep_id: string;
@@ -1221,7 +1221,7 @@ export interface paths {
                 header?: never;
                 path: {
                     /**
-                     * @description Bech32 or hexadecimal DRep ID.
+                     * @description Bech32 DRep ID (legacy or CIP-129).
                      * @example drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc
                      */
                     drep_id: string;
@@ -1280,7 +1280,7 @@ export interface paths {
                 header?: never;
                 path: {
                     /**
-                     * @description Bech32 or hexadecimal drep ID.
+                     * @description Bech32 DRep ID (legacy or CIP-129).
                      * @example drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn
                      */
                     drep_id: string;
diff --git a/src/paths/api/governance/dreps/{drep_id}/delegators.yaml b/src/paths/api/governance/dreps/{drep_id}/delegators.yaml
index c34ccc0b..fb2c86f6 100644
--- a/src/paths/api/governance/dreps/{drep_id}/delegators.yaml
+++ b/src/paths/api/governance/dreps/{drep_id}/delegators.yaml
@@ -9,7 +9,7 @@ get:
       required: true
       schema:
         type: string
-      description: Bech32 or hexadecimal drep ID.
+      description: Bech32 DRep ID (legacy or CIP-129).
       example: "drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn"
     - in: query
       name: count
diff --git a/src/paths/api/governance/dreps/{drep_id}/index.yaml b/src/paths/api/governance/dreps/{drep_id}/index.yaml
index d4fc3654..9604a221 100644
--- a/src/paths/api/governance/dreps/{drep_id}/index.yaml
+++ b/src/paths/api/governance/dreps/{drep_id}/index.yaml
@@ -9,7 +9,7 @@ get:
       required: true
       schema:
         type: string
-      description: Bech32 or hexadecimal DRep ID.
+      description: Bech32 DRep ID (legacy or CIP-129).
       example: "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
   responses:
     "200":
diff --git a/src/paths/api/governance/dreps/{drep_id}/metadata.yaml b/src/paths/api/governance/dreps/{drep_id}/metadata.yaml
index 607cc233..77b54421 100644
--- a/src/paths/api/governance/dreps/{drep_id}/metadata.yaml
+++ b/src/paths/api/governance/dreps/{drep_id}/metadata.yaml
@@ -9,7 +9,7 @@ get:
       required: true
       schema:
         type: string
-      description: Bech32 or hexadecimal DRep ID.
+      description: Bech32 DRep ID (legacy or CIP-129).
       example: "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
   responses:
     "200":
diff --git a/src/paths/api/governance/dreps/{drep_id}/updates.yaml b/src/paths/api/governance/dreps/{drep_id}/updates.yaml
index d2085e21..26413acf 100644
--- a/src/paths/api/governance/dreps/{drep_id}/updates.yaml
+++ b/src/paths/api/governance/dreps/{drep_id}/updates.yaml
@@ -9,7 +9,7 @@ get:
       required: true
       schema:
         type: string
-      description: Bech32 or hexadecimal DRep ID.
+      description: Bech32 DRep ID (legacy or CIP-129).
       example: "drep15cfxz9exyn5rx0807zvxfrvslrjqfchrd4d47kv9e0f46uedqtc"
     - in: query
       name: count
diff --git a/src/paths/api/governance/dreps/{drep_id}/votes.yaml b/src/paths/api/governance/dreps/{drep_id}/votes.yaml
index 605578bf..c005bd70 100644
--- a/src/paths/api/governance/dreps/{drep_id}/votes.yaml
+++ b/src/paths/api/governance/dreps/{drep_id}/votes.yaml
@@ -9,7 +9,7 @@ get:
       required: true
       schema:
         type: string
-      description: Bech32 or hexadecimal drep ID.
+      description: Bech32 DRep ID (legacy or CIP-129).
       example: "drep1mvdu8slennngja7w4un6knwezufra70887zuxpprd64jxfveahn"
     - in: query
       name: count