isaacus-dev · umarbutler · Feb 4, 2026 · Feb 3, 2026 · Feb 4, 2026 · Feb 4, 2026
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.12.0"
+  ".": "0.13.0"
 }
diff --git a/.stats.yml b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 5
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/isaacus%2Fisaacus-fa910a5a3d1321234423bd8c042d202a64d4d956ef45847b4de358cb18e447eb.yml
 openapi_spec_hash: 926b9b619c15e8570e496e11d4fb753e
-config_hash: a23e347480e00cefa57ce68b1de9e16d
+config_hash: e26cc2858d2a56a077aee5473a5746df
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.13.0 (2026-02-04)
+
+Full Changelog: [v0.12.0...v0.13.0](https://github.com/isaacus-dev/isaacus-python/compare/v0.12.0...v0.13.0)
+
+### Features
+
+* **sdk:** alter v1 pascal casing ([7229055](https://github.com/isaacus-dev/isaacus-python/commit/7229055504fd20c05c5d7f5ee40afd76fbcdd02f))
+* **sdk:** move ilgs models under `ilgs_v1` ([0165061](https://github.com/isaacus-dev/isaacus-python/commit/0165061dfd3f5245df16c75f7b8dbb39c68d9de8))
+* **sdk:** move ilgs to its own resource ([e196566](https://github.com/isaacus-dev/isaacus-python/commit/e196566b8c5ef8e876f6d6c0d31393e17d24926f))
+* **sdk:** move ilgsv1 resources under a subresource ([8620bb5](https://github.com/isaacus-dev/isaacus-python/commit/8620bb5259685c1764960278caba70ae9b42a0ec))
+* **sdk:** removed chunking options as a shared resource ([b11b540](https://github.com/isaacus-dev/isaacus-python/commit/b11b540a1da187f5c667e99e53caa550c364aa94))
+* **sdk:** revert v1 casing change ([5a8d5b1](https://github.com/isaacus-dev/isaacus-python/commit/5a8d5b13c69185a36148ee336d3dcf1b3191de0b))
+
 ## 0.12.0 (2026-02-03)
 
 Full Changelog: [v0.11.0...v0.12.0](https://github.com/isaacus-dev/isaacus-python/compare/v0.11.0...v0.12.0)

diff --git a/api.md b/api.md
@@ -55,25 +55,32 @@ Methods:
 Types:
 
 ```python
-from isaacus.types import (
-    EnrichmentResponse,
-    ILGSv1Crossreference,
-    ILGSv1Date,
-    ILGSv1Document,
-    ILGSv1Email,
-    ILGSv1ExternalDocument,
-    ILGSv1IDNumber,
-    ILGSv1Location,
-    ILGSv1Person,
-    ILGSv1PhoneNumber,
-    ILGSv1Quote,
-    ILGSv1Segment,
-    ILGSv1Span,
-    ILGSv1Term,
-    ILGSv1Website,
-)
+from isaacus.types import EnrichmentResponse
 ```
 
 Methods:
 
 - <code title="post /enrichments">client.enrichments.<a href="./src/isaacus/resources/enrichments.py">create</a>(\*\*<a href="src/isaacus/types/enrichment_create_params.py">params</a>) -> <a href="./src/isaacus/types/enrichment_response.py">EnrichmentResponse</a></code>
+
+# ILGSv1
+
+Types:
+
+```python
+from isaacus.types import (
+    Crossreference,
+    Date,
+    Document,
+    Email,
+    ExternalDocument,
+    IDNumber,
+    Location,
+    Person,
+    PhoneNumber,
+    Quote,
+    Segment,
+    Span,
+    Term,
+    Website,
+)
+```
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "isaacus"
-version = "0.12.0"
+version = "0.13.0"
 description = "The official Python library for the isaacus API"
 dynamic = ["readme"]
 license = "Apache-2.0"

diff --git a/src/isaacus/_version.py b/src/isaacus/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "isaacus"
-__version__ = "0.12.0"  # x-release-please-version
+__version__ = "0.13.0"  # x-release-please-version
diff --git a/src/isaacus/types/__init__.py b/src/isaacus/types/__init__.py
@@ -2,23 +2,23 @@
 
 from __future__ import annotations
 
-from .ilgs_v1_date import ILGSv1Date as ILGSv1Date
-from .ilgs_v1_span import ILGSv1Span as ILGSv1Span
-from .ilgs_v1_term import ILGSv1Term as ILGSv1Term
-from .ilgs_v1_email import ILGSv1Email as ILGSv1Email
-from .ilgs_v1_quote import ILGSv1Quote as ILGSv1Quote
-from .ilgs_v1_person import ILGSv1Person as ILGSv1Person
-from .ilgs_v1_segment import ILGSv1Segment as ILGSv1Segment
-from .ilgs_v1_website import ILGSv1Website as ILGSv1Website
-from .ilgs_v1_document import ILGSv1Document as ILGSv1Document
-from .ilgs_v1_location import ILGSv1Location as ILGSv1Location
-from .ilgs_v1_id_number import ILGSv1IDNumber as ILGSv1IDNumber
+from .date import Date as Date
+from .span import Span as Span
+from .term import Term as Term
+from .email import Email as Email
+from .quote import Quote as Quote
+from .person import Person as Person
+from .segment import Segment as Segment
+from .website import Website as Website
+from .document import Document as Document
+from .location import Location as Location
+from .id_number import IDNumber as IDNumber
+from .phone_number import PhoneNumber as PhoneNumber
+from .crossreference import Crossreference as Crossreference
+from .external_document import ExternalDocument as ExternalDocument
 from .embedding_response import EmbeddingResponse as EmbeddingResponse
 from .reranking_response import RerankingResponse as RerankingResponse
 from .enrichment_response import EnrichmentResponse as EnrichmentResponse
-from .ilgs_v1_phone_number import ILGSv1PhoneNumber as ILGSv1PhoneNumber
-from .ilgs_v1_crossreference import ILGSv1Crossreference as ILGSv1Crossreference
 from .embedding_create_params import EmbeddingCreateParams as EmbeddingCreateParams
 from .reranking_create_params import RerankingCreateParams as RerankingCreateParams
 from .enrichment_create_params import EnrichmentCreateParams as EnrichmentCreateParams
-from .ilgs_v1_external_document import ILGSv1ExternalDocument as ILGSv1ExternalDocument
diff --git a/src/isaacus/types/ilgs_v1_crossreference.py → src/isaacus/types/crossreference.py b/src/isaacus/types/ilgs_v1_crossreference.py → src/isaacus/types/crossreference.py
@@ -1,12 +1,12 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
+from .span import Span
 from .._models import BaseModel
-from .ilgs_v1_span import ILGSv1Span
 
-__all__ = ["ILGSv1Crossreference"]
+__all__ = ["Crossreference"]
 
 
-class ILGSv1Crossreference(BaseModel):
+class Crossreference(BaseModel):
     """A cross-reference within the document pointing to one or more segments."""
 
     start: str
@@ -25,7 +25,7 @@ class ILGSv1Crossreference(BaseModel):
     will be identical.
     """
 
-    span: ILGSv1Span
+    span: Span
     """A zero-based, half-open span into the Unicode code point space of input text.
 
     All spans are globally laminar and well-nested similar to XML—it is impossible

diff --git a/src/isaacus/types/ilgs_v1_date.py → src/isaacus/types/date.py b/src/isaacus/types/ilgs_v1_date.py → src/isaacus/types/date.py
@@ -3,13 +3,13 @@
 from typing import List, Optional
 from typing_extensions import Literal
 
+from .span import Span
 from .._models import BaseModel
-from .ilgs_v1_span import ILGSv1Span
 
-__all__ = ["ILGSv1Date"]
+__all__ = ["Date"]
 
 
-class ILGSv1Date(BaseModel):
+class Date(BaseModel):
     """
     A date identified in a document belonging to one of the following types: `creation`, `signature`, `effective`, `expiry`, `delivery`, `renewal`, `payment`, `birth`, or `death`.
 
@@ -63,7 +63,7 @@ class ILGSv1Date(BaseModel):
     `{index}` is a non-negative incrementing integer starting from zero.
     """
 
-    mentions: List[ILGSv1Span]
+    mentions: List[Span]
     """
     An array of one or more spans within the document's text where the date is
     mentioned.

diff --git a/src/isaacus/types/ilgs_v1_document.py → src/isaacus/types/document.py b/src/isaacus/types/ilgs_v1_document.py → src/isaacus/types/document.py
@@ -3,28 +3,28 @@
 from typing import List, Optional
 from typing_extensions import Literal
 
+from .date import Date
+from .span import Span
+from .term import Term
+from .email import Email
+from .quote import Quote
+from .person import Person
+from .segment import Segment
+from .website import Website
 from .._models import BaseModel
-from .ilgs_v1_date import ILGSv1Date
-from .ilgs_v1_span import ILGSv1Span
-from .ilgs_v1_term import ILGSv1Term
-from .ilgs_v1_email import ILGSv1Email
-from .ilgs_v1_quote import ILGSv1Quote
-from .ilgs_v1_person import ILGSv1Person
-from .ilgs_v1_segment import ILGSv1Segment
-from .ilgs_v1_website import ILGSv1Website
-from .ilgs_v1_location import ILGSv1Location
-from .ilgs_v1_id_number import ILGSv1IDNumber
-from .ilgs_v1_phone_number import ILGSv1PhoneNumber
-from .ilgs_v1_crossreference import ILGSv1Crossreference
-from .ilgs_v1_external_document import ILGSv1ExternalDocument
-
-__all__ = ["ILGSv1Document"]
-
-
-class ILGSv1Document(BaseModel):
+from .location import Location
+from .id_number import IDNumber
+from .phone_number import PhoneNumber
+from .crossreference import Crossreference
+from .external_document import ExternalDocument
+
+__all__ = ["Document"]
+
+
+class Document(BaseModel):
     """The enriched document."""
 
-    title: Optional[ILGSv1Span] = None
+    title: Optional[Span] = None
     """A zero-based, half-open span into the Unicode code point space of input text.
 
     All spans are globally laminar and well-nested similar to XML—it is impossible
@@ -40,7 +40,7 @@ class ILGSv1Document(BaseModel):
     code units instead of Unicode code points).
     """
 
-    subtitle: Optional[ILGSv1Span] = None
+    subtitle: Optional[Span] = None
     """A zero-based, half-open span into the Unicode code point space of input text.
 
     All spans are globally laminar and well-nested similar to XML—it is impossible
@@ -88,25 +88,25 @@ class ILGSv1Document(BaseModel):
     code for federal law.
     """
 
-    segments: List[ILGSv1Segment]
+    segments: List[Segment]
     """
     An array of segments within the document representing structurally distinct
     portions of its content.
     """
 
-    crossreferences: List[ILGSv1Crossreference]
+    crossreferences: List[Crossreference]
     """
     An array of cross-references within the document pointing to a single segment or
     a span of segments.
     """
 
-    locations: List[ILGSv1Location]
+    locations: List[Location]
     """An array of locations identified in the document."""
 
-    persons: List[ILGSv1Person]
+    persons: List[Person]
     """An array of legal persons identified in the document."""
 
-    emails: List[ILGSv1Email]
+    emails: List[Email]
     """
     An array of email addresses identified in the document belonging to legal
     persons.
@@ -115,14 +115,14 @@ class ILGSv1Document(BaseModel):
     persons will not be extracted.
     """
 
-    websites: List[ILGSv1Website]
+    websites: List[Website]
     """An array of websites identified in the document belonging to legal persons.
 
     Websites mentioned in the document that are not attributable to legal persons
     will not be extracted.
     """
 
-    phone_numbers: List[ILGSv1PhoneNumber]
+    phone_numbers: List[PhoneNumber]
     """
     An array of valid phone numbers identified in the document belonging to legal
     persons.
@@ -131,7 +131,7 @@ class ILGSv1Document(BaseModel):
     attributable to legal persons will not be extracted.
     """
 
-    id_numbers: List[ILGSv1IDNumber]
+    id_numbers: List[IDNumber]
     """
     An array of identification numbers identified in the document belonging to legal
     persons.
@@ -140,16 +140,16 @@ class ILGSv1Document(BaseModel):
     legal persons will not be extracted.
     """
 
-    terms: List[ILGSv1Term]
+    terms: List[Term]
     """An array of terms assigned definite meanings within the document."""
 
-    external_documents: List[ILGSv1ExternalDocument]
+    external_documents: List[ExternalDocument]
     """An array of documents identified within the document."""
 
-    quotes: List[ILGSv1Quote]
+    quotes: List[Quote]
     """An array of quotations within the document."""
 
-    dates: List[ILGSv1Date]
+    dates: List[Date]
     """
     An array of dates identified in the document belonging to one of the following
     types: `creation`, `signature`, `effective`, `expiry`, `delivery`, `renewal`,
@@ -159,10 +159,10 @@ class ILGSv1Document(BaseModel):
     one of the supported date types are extractable.
     """
 
-    headings: List[ILGSv1Span]
+    headings: List[Span]
     """An array of spans within the document's text constituting headings."""
 
-    junk: List[ILGSv1Span]
+    junk: List[Span]
     """
     An array of spans within the document's text constituting non-operative,
     non-substantive 'junk' content such as headers, footers, page numbers, and OCR

diff --git a/src/isaacus/types/ilgs_v1_email.py → src/isaacus/types/email.py b/src/isaacus/types/ilgs_v1_email.py → src/isaacus/types/email.py
@@ -2,13 +2,13 @@
 
 from typing import List
 
+from .span import Span
 from .._models import BaseModel
-from .ilgs_v1_span import ILGSv1Span
 
-__all__ = ["ILGSv1Email"]
+__all__ = ["Email"]
 
 
-class ILGSv1Email(BaseModel):
+class Email(BaseModel):
     """An email address identified in a document belonging to a legal person.
 
     If an email address was mentioned in the document but is not attributable to a legal person, it will not be extracted.
@@ -20,7 +20,7 @@ class ILGSv1Email(BaseModel):
     person: str
     """The unique identifier of the person that this email address belongs to."""
 
-    mentions: List[ILGSv1Span]
+    mentions: List[Span]
     """
     An array of one or more spans within the document's text where the email address
     is mentioned.

diff --git a/src/isaacus/types/enrichment_response.py b/src/isaacus/types/enrichment_response.py
@@ -3,7 +3,7 @@
 from typing import List
 
 from .._models import BaseModel
-from .ilgs_v1_document import ILGSv1Document
+from .document import Document
 
 __all__ = ["EnrichmentResponse", "Result", "Usage"]
 
@@ -17,7 +17,7 @@ class Result(BaseModel):
     therefore, ending at the number of inputs minus `1`).
     """
 
-    document: ILGSv1Document
+    document: Document
     """The enriched document."""