diff --git a/qualtrix/api.py b/qualtrix/api.py
index 0a30273..5f97dd9 100644
--- a/qualtrix/api.py
+++ b/qualtrix/api.py
@@ -71,3 +71,13 @@ async def session(request: SessionModel):
         return client.delete_session(request.surveyId, request.sessionId)
     except error.QualtricsError as e:
         raise HTTPException(status_code=400, detail=e.args)
+
+
+@router.get("/contact/{contactId}/responseIds")
+async def dist(contactId: str):
+    return client.get_responseIds_by_contact(contactId)
+
+
+@router.get("/dist/{distId}/responseIds")
+async def dist(distId: str):
+    return client.get_responseIds_by_dist(distId)
diff --git a/qualtrix/client.py b/qualtrix/client.py
index 7ede651..4fa3ae2 100644
--- a/qualtrix/client.py
+++ b/qualtrix/client.py
@@ -232,13 +232,112 @@ def get_response(survey_id: str, response_id: str):
     return survey_answers
 
 
+def get_contact(contact_id: str):
+    logging.info(f"get_contact {contact_id}")
+
+    r = requests.get(
+        settings.BASE_URL
+        + f"/directories/{settings.DIRECTORY_ID}/contacts/{contact_id}",
+        headers=auth_header,
+        timeout=settings.TIMEOUT,
+    )
+
+    logging.info(f"get_contact {contact_id} {r.status_code}")
+    logging.debug(f"get_contact {contact_id} {r.text}")
+
+    return r.json()
+
+
+def get_contact_history(contact_id: str):
+    logging.info(f"get_contact_history {contact_id}")
+
+    r = requests.get(
+        settings.BASE_URL
+        + f"/directories/{settings.DIRECTORY_ID}/contacts/{contact_id}/history",
+        headers=auth_header,
+        timeout=settings.TIMEOUT,
+        params={"type": "response"},
+    )
+
+    logging.info(f"get_contact_history {contact_id} {r.status_code}")
+    logging.debug(f"get_contact_history {contact_id} {r.text}")
+
+    return r.json()
+
+
+def get_distribution_history(distributionId: str):
+    logging.info(f"get_distribution_history {distributionId}")
+
+    url = settings.BASE_URL + f"/distributions/{distributionId}/history"
+    r = requests.get(url, headers=auth_header, timeout=settings.TIMEOUT)
+
+    logging.info(f"get_distribution_history {distributionId} {r.status_code}")
+    logging.debug(f"get_distribution_history {distributionId} {r.text}")
+
+    data = r.json()
+
+    return data
+
+
+def get_responseIds_by_dist(dist_string: str):
+    """
+    returns a list of responseIds starting from a dist string. A dist string has three parts.
+    The first part is a distribution id that can be used to get the contactId.
+    """
+
+    logging.info(f"get_responseIds_by_dist {dist_string}")
+
+    dist_parts = dist_string.split("_")
+    distributionId = "EMD_" + dist_parts[0]
+
+    data = get_distribution_history(distributionId)
+    contactId = data["result"]["elements"][0]["contactId"]
+
+    return get_responseIds_by_contact(contactId)
+
+
+def get_responseIds_by_contact(contactId: str):
+    """
+    get list of responeIds from contact history
+    """
+
+    logging.info(f"get_responseIds_by_contact {contactId}")
+
+    contacthist = get_contact_history(contactId)
+    dist_Id_list = list(
+        filter(
+            lambda y: y != None,
+            map(lambda x: x["distributionId"], contacthist["result"]["elements"]),
+        )
+    )
+
+    response_ids = []
+
+    for id in dist_Id_list:
+        data = get_distribution_history(id)
+
+        response_ids.extend(
+            map(
+                lambda x: "R_" + x["surveySessionId"].split("_")[1],
+                data["result"]["elements"],
+            )
+        )
+
+    return response_ids
+
+
 def get_survey_schema(survey_id: str):
+    logging.info(f"get_survey_schema {survey_id}")
+
     r = requests.get(
         settings.BASE_URL + f"/surveys/{survey_id}/response-schema",
         headers=auth_header,
         timeout=settings.TIMEOUT,
     )
 
+    logging.info(f"get_survey_schema {survey_id} {r.status_code}")
+    logging.debug(f"get_survey_schema {survey_id} {r.text}")
+
     return r.json()