diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9e1cdeda..397c4203 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.21.1"
+  ".": "1.22.0"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index f9cf330b..4ba48165 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 46
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch%2Ffinch-bf858f37d7ab420841ddc6329dad8c46377308b6a5c8e935908011d0f9845e22.yml
-openapi_spec_hash: 2523952a32436e3c7fd3b55508c2e7ee
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch%2Ffinch-ff61a38530dfae03860bceb49379e84bfc7434eeb5d2f1dc9677cb162014faf1.yml
+openapi_spec_hash: df3bdaf4acf575bb07767cae7ca24d69
 config_hash: 53778a0b839c4f6ad34fbba051f5e8a6
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c10e20f..4f38ffed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 1.22.0 (2025-04-14)
+
+Full Changelog: [v1.21.1...v1.22.0](https://github.com/Finch-API/finch-api-python/compare/v1.21.1...v1.22.0)
+
+### Features
+
+* **api:** api update ([5315bac](https://github.com/Finch-API/finch-api-python/commit/5315bacbbdfd7c52b2aa58f2f48537f234e5e1bd))
+
+
+### Chores
+
+* **client:** minor internal fixes ([92fff7e](https://github.com/Finch-API/finch-api-python/commit/92fff7e2050e32f8d008bc543542f54e680e4713))
+* **internal:** update pyright settings ([249e51a](https://github.com/Finch-API/finch-api-python/commit/249e51ae23b625f6ac3c7b6b901f6d82a830ca81))
+
 ## 1.21.1 (2025-04-11)
 
 Full Changelog: [v1.21.0...v1.21.1](https://github.com/Finch-API/finch-api-python/compare/v1.21.0...v1.21.1)
diff --git a/pyproject.toml b/pyproject.toml
index 241689ff..13ce2cb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "finch-api"
-version = "1.21.1"
+version = "1.22.0"
 description = "The official Python library for the Finch API"
 dynamic = ["readme"]
 license = "Apache-2.0"
@@ -147,6 +147,7 @@ exclude = [
 ]
 
 reportImplicitOverride = true
+reportOverlappingOverload = false
 
 reportImportCycles = false
 reportPrivateUsage = false
diff --git a/src/finch/_base_client.py b/src/finch/_base_client.py
index d552f2cb..07f92a0c 100644
--- a/src/finch/_base_client.py
+++ b/src/finch/_base_client.py
@@ -410,7 +410,8 @@ def _build_headers(self, options: FinalRequestOptions, *, retries_taken: int = 0
 
         idempotency_header = self._idempotency_header
         if idempotency_header and options.method.lower() != "get" and idempotency_header not in headers:
-            headers[idempotency_header] = options.idempotency_key or self._idempotency_key()
+            options.idempotency_key = options.idempotency_key or self._idempotency_key()
+            headers[idempotency_header] = options.idempotency_key
 
         # Don't set these headers if they were already set or removed by the caller. We check
         # `custom_headers`, which can contain `Omit()`, instead of `headers` to account for the removal case.
@@ -944,6 +945,10 @@ def _request(
         request = self._build_request(options, retries_taken=retries_taken)
         self._prepare_request(request)
 
+        if options.idempotency_key:
+            # ensure the idempotency key is reused between requests
+            input_options.idempotency_key = options.idempotency_key
+
         kwargs: HttpxSendArgs = {}
         if self.custom_auth is not None:
             kwargs["auth"] = self.custom_auth
@@ -1490,6 +1495,10 @@ async def _request(
         request = self._build_request(options, retries_taken=retries_taken)
         await self._prepare_request(request)
 
+        if options.idempotency_key:
+            # ensure the idempotency key is reused between requests
+            input_options.idempotency_key = options.idempotency_key
+
         kwargs: HttpxSendArgs = {}
         if self.custom_auth is not None:
             kwargs["auth"] = self.custom_auth
diff --git a/src/finch/_version.py b/src/finch/_version.py
index 525c4d96..34bdbea5 100644
--- a/src/finch/_version.py
+++ b/src/finch/_version.py
@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "finch"
-__version__ = "1.21.1"  # x-release-please-version
+__version__ = "1.22.0"  # x-release-please-version
diff --git a/src/finch/types/introspection.py b/src/finch/types/introspection.py
index 156e20ce..5121825a 100644
--- a/src/finch/types/introspection.py
+++ b/src/finch/types/introspection.py
@@ -36,6 +36,9 @@ class ConnectionStatus(BaseModel):
 
 
 class Introspection(BaseModel):
+    id: str
+    """The Finch UUID of the token being introspected."""
+
     account_id: str
     """
     [DEPRECATED] Use `connection_id` to associate tokens with a Finch connection