diff --git a/dinamis_sdk/s3.py b/dinamis_sdk/s3.py
index ea7318a7b06d34f73b36e73ba581f37a03e40285..ef210fde0e040654545b2e48340d2a5ae0dac15b 100644
--- a/dinamis_sdk/s3.py
+++ b/dinamis_sdk/s3.py
@@ -27,7 +27,7 @@ import packaging.version
 import pydantic
 
 from .utils import log, SIGNED_URL_TTL_MARGIN, CREDENTIALS, MAX_URLS, \
-    S3_SIGNING_ENDPOINT, S3_STORAGE_DOMAIN
+    S3_SIGNING_ENDPOINT, S3_STORAGE_DOMAIN, SIGNED_URL_DURATION_SECONDS
 
 _PYDANTIC_2_0 = packaging.version.parse(
     pydantic.__version__
@@ -487,9 +487,12 @@ def get_signed_urls(
             chunk_start = i_chunk * MAX_URLS
             chunk_end = min(chunk_start + MAX_URLS, n_urls)
             not_signed_urls_chunk = not_signed_urls[chunk_start:chunk_end]
+            params={"urls": not_signed_urls_chunk}
+            if SIGNED_URL_DURATION_SECONDS:
+                params.update({"duration_seconds": SIGNED_URL_DURATION_SECONDS})
             response = session.post(
                 f"{S3_SIGNING_ENDPOINT}sign_urls",
-                params={"urls": not_signed_urls_chunk},
+                params=params,
                 headers=headers,
                 timeout=10
             )
diff --git a/dinamis_sdk/utils.py b/dinamis_sdk/utils.py
index ce4a94b9e83e47b47b4ae192beb5f7d286a905ea..20c6b124700aafb4692c6cb34e0337adc1489036 100644
--- a/dinamis_sdk/utils.py
+++ b/dinamis_sdk/utils.py
@@ -9,17 +9,27 @@ import requests
 logging.basicConfig(level=os.environ.get("LOGLEVEL") or "INFO")
 log = logging.getLogger("dinamis_sdk")
 
+def _get_seconds(env_var_name: str) -> int:
+    val = os.environ.get(env_var_name)
+    if val:
+        if val.isdigit():
+            return int(val)
+    return None
+
 # Signed TTL margin default to 1800 seconds (30 minutes), or env. var.
-ttl_margin_from_env = os.environ.get("DINAMIS_SDK_TTL_MARGIN")
-if ttl_margin_from_env:
-    if ttl_margin_from_env.isdigit():
-        ttl_margin_from_env = int(ttl_margin_from_env)
-        log.info(
-            "Setting TTL margin from environment variable to %s seconds",
-            ttl_margin_from_env
-        )
+ttl_margin_from_env = _get_seconds("DINAMIS_SDK_TTL_MARGIN")
+log.info(
+    "Setting TTL margin from environment variable to %s seconds",
+    ttl_margin_from_env
+)
 SIGNED_URL_TTL_MARGIN = ttl_margin_from_env or 1800
 
+SIGNED_URL_DURATION_SECONDS = _get_seconds("DINAMIS_SDK_DURATION_SECONDS")
+log.info(
+    "Setting duration seconds from environment variable to %s seconds",
+    SIGNED_URL_DURATION_SECONDS
+)
+
 MAX_URLS = 64
 S3_STORAGE_DOMAIN = "meso.umontpellier.fr"
 S3_SIGNING_ENDPOINT = \
diff --git a/setup.py b/setup.py
index af02b546cfa1a27fbbe4784a47251e29f6142495..af91b5df3b18c46b7912d00d7f6bc7f07f910a20 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ install_requires = [
 
 setup(
     name="dinamis-sdk",
-    version="0.0.16",
+    version="0.1.0",
     description="DINAMIS SDK",
     python_requires=">=3.8",
     author="Remi Cresson",