diff --git a/files/grest/rpc/transactions/tx_cbor.sql b/files/grest/rpc/transactions/tx_cbor.sql
index 33f86e9d..932ace53 100644
--- a/files/grest/rpc/transactions/tx_cbor.sql
+++ b/files/grest/rpc/transactions/tx_cbor.sql
@@ -1,14 +1,25 @@
 CREATE OR REPLACE FUNCTION grest.tx_cbor(_tx_hashes text [])
 RETURNS TABLE (
   tx_hash text,
+  block_hash text,
+  block_height word31type,
+  epoch_no word31type,
+  absolute_slot word63type,
+  tx_timestamp integer,
   cbor text
 )
 LANGUAGE sql STABLE
 AS $$
   SELECT
-    ENCODE(tx.hash::bytea, 'hex') AS tx_hash,
-    ENCODE(tx_cbor.bytes::bytea, 'hex') AS tx_cbor
+    ENCODE(tx.hash::bytea, 'hex'),
+    ENCODE(block.hash, 'hex'),
+    block.block_no,
+    block.epoch_no,
+    block.slot_no,
+    EXTRACT(EPOCH FROM block.time)::integer,
+    ENCODE(tx_cbor.bytes::bytea, 'hex')
   FROM public.tx
+    INNER JOIN block ON block.id = tx.block_id
     LEFT JOIN public.tx_cbor ON tx.id = tx_cbor.tx_id
   WHERE tx.hash::bytea = ANY(
       SELECT
diff --git a/specs/results/koiosapi-guild.yaml b/specs/results/koiosapi-guild.yaml
index 7cbda1c5..18c1a66a 100644
--- a/specs/results/koiosapi-guild.yaml
+++ b/specs/results/koiosapi-guild.yaml
@@ -4777,6 +4777,16 @@ components:
         properties:
           tx_hash:
             $ref: "#/components/schemas/tx_info/items/properties/tx_hash"
+          block_hash:
+            $ref: "#/components/schemas/blocks/items/properties/hash"
+          block_height:
+            $ref: "#/components/schemas/blocks/items/properties/block_height"
+          epoch_no:
+            $ref: "#/components/schemas/blocks/items/properties/epoch_no"
+          absolute_slot:
+            $ref: "#/components/schemas/blocks/items/properties/abs_slot"
+          tx_timestamp:
+            $ref: "#/components/schemas/tx_info/items/properties/tx_timestamp"
           cbor:
             type: string
             description: CBOR encoded raw transaction.
diff --git a/specs/results/koiosapi-mainnet.yaml b/specs/results/koiosapi-mainnet.yaml
index d3563a92..0f2bdd33 100644
--- a/specs/results/koiosapi-mainnet.yaml
+++ b/specs/results/koiosapi-mainnet.yaml
@@ -4777,6 +4777,16 @@ components:
         properties:
           tx_hash:
             $ref: "#/components/schemas/tx_info/items/properties/tx_hash"
+          block_hash:
+            $ref: "#/components/schemas/blocks/items/properties/hash"
+          block_height:
+            $ref: "#/components/schemas/blocks/items/properties/block_height"
+          epoch_no:
+            $ref: "#/components/schemas/blocks/items/properties/epoch_no"
+          absolute_slot:
+            $ref: "#/components/schemas/blocks/items/properties/abs_slot"
+          tx_timestamp:
+            $ref: "#/components/schemas/tx_info/items/properties/tx_timestamp"
           cbor:
             type: string
             description: CBOR encoded raw transaction.
diff --git a/specs/results/koiosapi-preprod.yaml b/specs/results/koiosapi-preprod.yaml
index 8f0179e2..8e847755 100644
--- a/specs/results/koiosapi-preprod.yaml
+++ b/specs/results/koiosapi-preprod.yaml
@@ -4777,6 +4777,16 @@ components:
         properties:
           tx_hash:
             $ref: "#/components/schemas/tx_info/items/properties/tx_hash"
+          block_hash:
+            $ref: "#/components/schemas/blocks/items/properties/hash"
+          block_height:
+            $ref: "#/components/schemas/blocks/items/properties/block_height"
+          epoch_no:
+            $ref: "#/components/schemas/blocks/items/properties/epoch_no"
+          absolute_slot:
+            $ref: "#/components/schemas/blocks/items/properties/abs_slot"
+          tx_timestamp:
+            $ref: "#/components/schemas/tx_info/items/properties/tx_timestamp"
           cbor:
             type: string
             description: CBOR encoded raw transaction.
diff --git a/specs/results/koiosapi-preview.yaml b/specs/results/koiosapi-preview.yaml
index c443228e..2c85bf0c 100644
--- a/specs/results/koiosapi-preview.yaml
+++ b/specs/results/koiosapi-preview.yaml
@@ -4777,6 +4777,16 @@ components:
         properties:
           tx_hash:
             $ref: "#/components/schemas/tx_info/items/properties/tx_hash"
+          block_hash:
+            $ref: "#/components/schemas/blocks/items/properties/hash"
+          block_height:
+            $ref: "#/components/schemas/blocks/items/properties/block_height"
+          epoch_no:
+            $ref: "#/components/schemas/blocks/items/properties/epoch_no"
+          absolute_slot:
+            $ref: "#/components/schemas/blocks/items/properties/abs_slot"
+          tx_timestamp:
+            $ref: "#/components/schemas/tx_info/items/properties/tx_timestamp"
           cbor:
             type: string
             description: CBOR encoded raw transaction.
diff --git a/specs/templates/4-api-schemas.yaml b/specs/templates/4-api-schemas.yaml
index d30da201..c2dc285d 100644
--- a/specs/templates/4-api-schemas.yaml
+++ b/specs/templates/4-api-schemas.yaml
@@ -1942,6 +1942,16 @@ schemas:
         properties:
           tx_hash:
             $ref: "#/components/schemas/tx_info/items/properties/tx_hash"
+          block_hash:
+            $ref: "#/components/schemas/blocks/items/properties/hash"
+          block_height:
+            $ref: "#/components/schemas/blocks/items/properties/block_height"
+          epoch_no:
+            $ref: "#/components/schemas/blocks/items/properties/epoch_no"
+          absolute_slot:
+            $ref: "#/components/schemas/blocks/items/properties/abs_slot"
+          tx_timestamp:
+            $ref: "#/components/schemas/tx_info/items/properties/tx_timestamp"
           cbor:
             type: string
             description: CBOR encoded raw transaction.