diff --git a/.github/workflows/deploy-reusable.yml b/.github/workflows/deploy-reusable.yml
index 5f401b6..aa0ef6c 100644
--- a/.github/workflows/deploy-reusable.yml
+++ b/.github/workflows/deploy-reusable.yml
@@ -119,8 +119,8 @@ jobs:
           parse-json-secrets: true
       # This step recovers the artifact that is generated in the `deploy.yml` workflow
       - name: Download node modules
-        # https://github.com/actions/download-artifact/releases/tag/v3.0.2
-        uses: actions/download-artifact@9bc31d5ccc31df68ecc42ccf4149144866c47d8a
+        # https://github.com/actions/download-artifact/releases/tag/v4.1.8
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16
         with:
           name: node_modules
       - name: Unpack node modules
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 85a84b3..73df2d0 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -59,7 +59,8 @@ jobs:
         run: |
           tar -cvf node_modules.tar ./node_modules
       - name: Upload node modules
-        uses: actions/upload-artifact@v2
+        # https://github.com/actions/upload-artifact/releases/tag/v4.3.4
+        uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b
         with:
           name: node_modules
           path: node_modules.tar
@@ -83,7 +84,7 @@ jobs:
       hathor_nodes: https://node1.testnet.hathor.network,https://node.explorer.testnet.hathor.network
       redis_key_prefix: hathor-explorer-service-dev
       redis_port: 6379
-      redis_db: 0
+      redis_db: 1
       metadata_bucket: hathor-explorer-metadata-dev
       cors_allowed_regex: .*
       elastic_index: dev-token
@@ -136,7 +137,7 @@ jobs:
       serverless_stage: nano
       # XXX: Some env vars come from the secret https://eu-central-1.console.aws.amazon.com/secretsmanager/secret?name=ExplorerService%2Fnano-testnet&region=eu-central-1
       api_port: 3001
-      hathor_core_url: https://node1.nano-testnet.hathor.network
+      hathor_core_url: https://hathorplay.nano-testnet.hathor.network
       hathor_nodes: https://node1.nano-testnet.hathor.network
       redis_key_prefix: hathor-explorer-service-nano-testnet
       redis_port: 6379
diff --git a/common/configuration.py b/common/configuration.py
index 2a2b555..a888d4b 100644
--- a/common/configuration.py
+++ b/common/configuration.py
@@ -110,3 +110,6 @@ def default(cls) -> "LogRenderer":
 HEALTHCHECK_REDIS_ENABLED = config(
     "HEALTHCHECK_REDIS_ENABLED", default=False, cast=bool
 )
+
+# API configuration
+MAX_TX_CHILDREN = config("MAX_TX_CHILDREN", default=100)
diff --git a/handlers/node_api.py b/handlers/node_api.py
index 26de3b7..d3ea646 100644
--- a/handlers/node_api.py
+++ b/handlers/node_api.py
@@ -3,6 +3,7 @@
 
 from aws_lambda_context import LambdaContext
 
+from common.configuration import MAX_TX_CHILDREN
 from common.errors import ApiError
 from usecases.node_api import NodeApi
 from utils.wrappers.aws.api_gateway import ApiGateway, ApiGatewayEvent
@@ -176,6 +177,12 @@ def get_transaction(
     if id is None:
         raise ApiError("invalid_parameters")
     response = node_api.get_transaction(id)
+    # It does not make sense to show in the explorer thousands of children.
+    # The full node will continue returning the correct data but in the explorer
+    # service we will truncate it and return only the latest MAX_TX_CHILDREN to show in the UI
+    # (it might even be more than we should, maybe we should paginate in the future)
+    if response is not None and "meta" in response and "children" in response["meta"]:
+        response["meta"]["children"] = response["meta"]["children"][-MAX_TX_CHILDREN:]
 
     return {
         "statusCode": 200,
diff --git a/package-lock.json b/package-lock.json
index 617d922..54dfcd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "hathor-explorer-service",
-  "version": "0.18.1",
+  "version": "0.18.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "hathor-explorer-service",
-      "version": "0.18.1",
+      "version": "0.18.2",
       "license": "MIT",
       "dependencies": {
         "@apidevtools/swagger-cli": "^4.0.4",
diff --git a/package.json b/package.json
index c5522fe..737faf7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hathor-explorer-service",
-  "version": "0.18.1",
+  "version": "0.18.2",
   "description": "Hathor Explorer Service Serverless deps",
   "dependencies": {
     "@apidevtools/swagger-cli": "^4.0.4",
diff --git a/pyproject.toml b/pyproject.toml
index 4e5a0d6..991c044 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "hathor-explorer-service"
-version = "0.18.1"
+version = "0.18.2"
 description = ""
 authors = ["Hathor Labs <contact@hathor.network>"]
 license = "MIT"