diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d940b600..87d3d84c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.55.0"
+  ".": "0.56.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index fa5ea03f..9260ad3a 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 102
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/profound/profound-7f89d003ee5886a49dcba4317709b3631185a517c455e0dbf12130dadc1a73c3.yml
-openapi_spec_hash: b6057ce27ebb04cdd19c0f006774ce65
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/profound/profound-bcaf63c0b7413453485a405e30a5d5b82f4cb29949cc0ba7e0af24fc5a49ea36.yml
+openapi_spec_hash: 0f50b7862d9981f3837865b7e971bea7
 config_hash: ff20af11692df5be71f1ef46d41ef365
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20628def..d2babd15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.56.0 (2026-07-31)
+
+Full Changelog: [v0.55.0...v0.56.0](https://github.com/cooper-square-technologies/profound-python-sdk/compare/v0.55.0...v0.56.0)
+
+### Features
+
+* **api:** api update ([6c38bfb](https://github.com/cooper-square-technologies/profound-python-sdk/commit/6c38bfbb3d9e564499611a33396c310d69e375e4))
+
 ## 0.55.0 (2026-07-30)
 
 Full Changelog: [v0.54.0...v0.55.0](https://github.com/cooper-square-technologies/profound-python-sdk/compare/v0.54.0...v0.55.0)
diff --git a/pyproject.toml b/pyproject.toml
index 9c36160a..0b776b8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "profound"
-version = "0.55.0"
+version = "0.56.0"
 description = "The official Python library for the profound API"
 dynamic = ["readme"]
 license = "Apache-2.0"
diff --git a/src/profound/_version.py b/src/profound/_version.py
index 08b468b7..0a80bd3b 100644
--- a/src/profound/_version.py
+++ b/src/profound/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "profound"
-__version__ = "0.55.0"  # x-release-please-version
+__version__ = "0.56.0"  # x-release-please-version
diff --git a/src/profound/types/prompt_answers_v2_response.py b/src/profound/types/prompt_answers_v2_response.py
index 143aa83a..0b8bdda2 100644
--- a/src/profound/types/prompt_answers_v2_response.py
+++ b/src/profound/types/prompt_answers_v2_response.py
@@ -6,7 +6,13 @@
 
 from .._models import BaseModel
 
-__all__ = ["PromptAnswersV2Response", "Data", "DataCitationDetail", "DataModel", "Info"]
+__all__ = ["PromptAnswersV2Response", "Data", "DataCitationDetail", "DataCitationDetailGroup", "DataModel", "Info"]
+
+
+class DataCitationDetailGroup(BaseModel):
+    group_id: int
+
+    group_position: int
 
 
 class DataCitationDetail(BaseModel):
@@ -24,6 +30,10 @@ class DataCitationDetail(BaseModel):
 
     first_cited_at: Optional[str] = None
 
+    groups: Optional[List[DataCitationDetailGroup]] = None
+
+    positions: Optional[List[int]] = None
+
     text: Optional[str] = None
 
 
@@ -44,6 +54,12 @@ class Data(BaseModel):
     analysis_types: Optional[List[str]] = None
 
     citation_details: Optional[List[DataCitationDetail]] = None
+    """Citation metadata.
+
+    `positions` identify citation locations in the answer text. Each `groups` entry
+    represents a rendered citation pill; `group_position` is the source's position
+    within that pill.
+    """
 
     citations: Optional[List[str]] = None
 
diff --git a/src/profound/types/prompt_stream_answers_v2_response.py b/src/profound/types/prompt_stream_answers_v2_response.py
index d3a30a6e..17565563 100644
--- a/src/profound/types/prompt_stream_answers_v2_response.py
+++ b/src/profound/types/prompt_stream_answers_v2_response.py
@@ -7,7 +7,14 @@
 
 from .._models import BaseModel
 
-__all__ = ["PromptStreamAnswersV2Response", "AnswersV2Info", "AnswerRow", "AnswerRowCitationDetail", "AnswerRowModel"]
+__all__ = [
+    "PromptStreamAnswersV2Response",
+    "AnswersV2Info",
+    "AnswerRow",
+    "AnswerRowCitationDetail",
+    "AnswerRowCitationDetailGroup",
+    "AnswerRowModel",
+]
 
 
 class AnswersV2Info(BaseModel):
@@ -50,6 +57,12 @@ def __getattr__(self, attr: str) -> object: ...
         __pydantic_extra__: Dict[str, object]
 
 
+class AnswerRowCitationDetailGroup(BaseModel):
+    group_id: int
+
+    group_position: int
+
+
 class AnswerRowCitationDetail(BaseModel):
     clean_url: str
 
@@ -65,6 +78,10 @@ class AnswerRowCitationDetail(BaseModel):
 
     first_cited_at: Optional[str] = None
 
+    groups: Optional[List[AnswerRowCitationDetailGroup]] = None
+
+    positions: Optional[List[int]] = None
+
     text: Optional[str] = None
 
 
@@ -82,6 +99,12 @@ class AnswerRow(BaseModel):
     analysis_types: Optional[List[str]] = None
 
     citation_details: Optional[List[AnswerRowCitationDetail]] = None
+    """Citation metadata.
+
+    `positions` identify citation locations in the answer text. Each `groups` entry
+    represents a rendered citation pill; `group_position` is the source's position
+    within that pill.
+    """
 
     citations: Optional[List[str]] = None