diff --git a/atst/eda_client.py b/atst/eda_client.py
new file mode 100644
index 00000000..cebaad27
--- /dev/null
+++ b/atst/eda_client.py
@@ -0,0 +1,112 @@
+class EDAClientBase(object):
+    def list_contracts(
+        self,
+        contract_number=None,
+        delivery_order=None,
+        cage_code=None,
+        duns_number=None,
+    ):
+        """
+        Get a list of all contracts matching the given filters.
+        """
+        raise NotImplementedError()
+
+    def get_contract(self, contract_number, status):
+        """
+        Get details for a contract.
+        """
+        raise NotImplementedError()
+
+
+class MockEDAClient(EDAClientBase):
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def list_contracts(
+        self,
+        contract_number=None,
+        delivery_order=None,
+        cage_code=None,
+        duns_number=None,
+    ):
+        return [
+            {
+                "aco_mod": "01",
+                "admin_dodaac": None,
+                "cage_code": "1U305",
+                "contract_no": "DCA10096D0052",
+                "delivery_order": "0084",
+                "duns_number": None,
+                "issue_date": "20000228",
+                "issue_dodaac": None,
+                "location": "https://docsrv1.nit.disa.mil:443/eda/enforcer/C0414345.PDF?ver=1.4&loc=Y29udHJhY3RzL29nZGVuL3ZlbmRvci8xOTk4LzA5LzE0L0MwNDE0MzQ1LlBERg==&sourceurl=aHR0cHM6Ly9lZGE0Lm5pdC5kaXNhLm1pbC9wbHMvdXNlci9uZXdfYXBwLkdldF9Eb2M_cFRhYmxlX0lEPTImcFJlY29yZF9LZXk9OEE2ODExNjM2RUY5NkU2M0UwMzQwMDYwQjBCMjgyNkM=&uid=6CFC2B2322E86FD5E054002264936E3C&qid=19344159&signed=G&qdate=20180529194407GMT&token=6xQICrrrfIMciEJSpXmfsAYrToM=",
+                "pay_dodaac": None,
+                "pco_mod": "02",
+            },
+            {
+                "aco_mod": "01",
+                "admin_dodaac": None,
+                "cage_code": "1U305",
+                "contract_no": "DCA10096D0052",
+                "delivery_order": "0084",
+                "duns_number": None,
+                "issue_date": "20000228",
+                "issue_dodaac": None,
+                "location": "https://docsrv1.nit.disa.mil:443/eda/enforcer/C0414345.PDF?ver=1.4&loc=Y29udHJhY3RzL29nZGVuL3ZlbmRvci8xOTk4LzA5LzE0L0MwNDE0MzQ1LlBERg==&sourceurl=aHR0cHM6Ly9lZGE0Lm5pdC5kaXNhLm1pbC9wbHMvdXNlci9uZXdfYXBwLkdldF9Eb2M_cFRhYmxlX0lEPTImcFJlY29yZF9LZXk9OEE2ODExNjM2RUY5NkU2M0UwMzQwMDYwQjBCMjgyNkM=&uid=6CFC2B2322E86FD5E054002264936E3C&qid=19344159&signed=G&qdate=20180529194407GMT&token=6xQICrrrfIMciEJSpXmfsAYrToM=",
+                "pay_dodaac": None,
+                "pco_mod": "02",
+            },
+            {
+                "aco_mod": "01",
+                "admin_dodaac": None,
+                "cage_code": "1U305",
+                "contract_no": "DCA10096D0052",
+                "delivery_order": "0084",
+                "duns_number": None,
+                "issue_date": "20000228",
+                "issue_dodaac": None,
+                "location": "https://docsrv1.nit.disa.mil:443/eda/enforcer/C0414345.PDF?ver=1.4&loc=Y29udHJhY3RzL29nZGVuL3ZlbmRvci8xOTk4LzA5LzE0L0MwNDE0MzQ1LlBERg==&sourceurl=aHR0cHM6Ly9lZGE0Lm5pdC5kaXNhLm1pbC9wbHMvdXNlci9uZXdfYXBwLkdldF9Eb2M_cFRhYmxlX0lEPTImcFJlY29yZF9LZXk9OEE2ODExNjM2RUY5NkU2M0UwMzQwMDYwQjBCMjgyNkM=&uid=6CFC2B2322E86FD5E054002264936E3C&qid=19344159&signed=G&qdate=20180529194407GMT&token=6xQICrrrfIMciEJSpXmfsAYrToM=",
+                "pay_dodaac": None,
+                "pco_mod": "02",
+            },
+        ]
+
+    def get_contract(self, contract_number, status):
+        if contract_number == "DCA10096D0052" and status == "y":
+            return {
+                "aco_mod": "01",
+                "admin_dodaac": None,
+                "cage_code": "1U305",
+                "contract_no": "DCA10096D0052",
+                "delivery_order": "0084",
+                "duns_number": None,
+                "issue_date": "20000228",
+                "issue_dodaac": None,
+                "location": "https://docsrv1.nit.disa.mil:443/eda/enforcer/C0414345.PDF?ver=1.4&loc=Y29udHJhY3RzL29nZGVuL3ZlbmRvci8xOTk4LzA5LzE0L0MwNDE0MzQ1LlBERg==&sourceurl=aHR0cHM6Ly9lZGE0Lm5pdC5kaXNhLm1pbC9wbHMvdXNlci9uZXdfYXBwLkdldF9Eb2M_cFRhYmxlX0lEPTImcFJlY29yZF9LZXk9OEE2ODExNjM2RUY5NkU2M0UwMzQwMDYwQjBCMjgyNkM=&uid=6CFC2B2322E86FD5E054002264936E3C&qid=19344159&signed=G&qdate=20180529194407GMT&token=6xQICrrrfIMciEJSpXmfsAYrToM=",
+                "pay_dodaac": None,
+                "pco_mod": "02",
+                "amount": 2000000
+            }
+        else:
+            return None
+
+
+class EDAClient(EDAClientBase):
+    def __init__(self, base_url, user_name, user_role):
+        pass
+
+    def list_contracts(
+        self,
+        contract_number=None,
+        delivery_order=None,
+        cage_code=None,
+        duns_number=None,
+    ):
+        # TODO: Fetch the contracts CSV and transform them into dictionaries.
+        # https://docs.python.org/3/library/csv.html#csv.DictReader
+        raise NotImplementedError()
+
+    def get_contract(self, contract_number, status):
+        # TODO: Fetch the contract XML and transform it into a dictionary.
+        # https://docs.python.org/3.7/library/xml.etree.elementtree.html
+        raise NotImplementedError()
diff --git a/tests/test_eda_client.py b/tests/test_eda_client.py
new file mode 100644
index 00000000..eb1e92d8
--- /dev/null
+++ b/tests/test_eda_client.py
@@ -0,0 +1,17 @@
+from atst.eda_client import MockEDAClient
+
+
+client = MockEDAClient()
+
+def test_list_contracts():
+    results = client.list_contracts()
+    assert len(results) == 3
+
+def test_get_contract():
+    result = client.get_contract("DCA10096D0052", "y")
+    assert result["contract_no"] == "DCA10096D0052"
+    assert result["amount"] == 2000000
+
+def test_contract_not_found():
+    result = client.get_contract("abc", "y")
+    assert result is None