diff --git a/.stainless/stainless.yml b/.stainless/stainless.yml
index 55db5813e..a4e97538e 100644
--- a/.stainless/stainless.yml
+++ b/.stainless/stainless.yml
@@ -209,6 +209,7 @@ resources:
           external_account: '#/components/schemas/ExternalAccount'
           external_account_create: '#/components/schemas/ExternalAccountCreateRequest'
           external_account_info_one_of: "#/components/schemas/ExternalAccountInfoOneOf"
+          wallet_custody_fields: "#/components/schemas/WalletCustodyFields"
           business_beneficiary: "#/components/schemas/BusinessBeneficiary"
           wallet_beneficiary_fields: "#/components/schemas/WalletBeneficiaryFields"
           wallet_beneficiary_one_of: "#/components/schemas/WalletBeneficiaryOneOf"
diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
index 2846f8cad..b76d3997d 100644
--- a/mintlify/openapi.yaml
+++ b/mintlify/openapi.yaml
@@ -19533,18 +19533,27 @@ components:
         beneficiary:
           description: The wallet's owner. Optional for `FIRST_PARTY` accounts — the customer's verified identity is used. Required for `THIRD_PARTY` wallets on platforms with counterparty requirements (e.g. EU Travel Rule); if missing there, creation fails with `400 INVALID_INPUT`.
           $ref: '#/components/schemas/WalletBeneficiaryOneOf'
+    WalletCustodyFields:
+      type: object
+      properties:
+        vaspName:
+          type: string
+          description: Name of the VASP that custodies this account, from the VASP directory (`GET /vasps`). Present when the wallet is held at an exchange or other custodial platform; omit it for self-custody wallets. Ownership verification applies only to self-custody wallets.
+          example: Kraken
     BaseWalletExternalAccountInfo:
       title: Base Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/BaseWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     EthereumWalletExternalAccountInfo:
       title: Ethereum L1 Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/EthereumWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     LightningInfo:
       type: object
       description: |
@@ -19579,30 +19588,35 @@ components:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/PolygonWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     PlasmaWalletExternalAccountInfo:
       title: Plasma Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/PlasmaWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     SolanaWalletExternalAccountInfo:
       title: Solana Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/SolanaWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     SparkWalletExternalAccountInfo:
       title: Spark Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/SparkWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     TronWalletExternalAccountInfo:
       title: Tron Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/TronWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     CnyBeneficiary:
       title: Individual Beneficiary
       type: object
diff --git a/openapi.yaml b/openapi.yaml
index 2846f8cad..b76d3997d 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -19533,18 +19533,27 @@ components:
         beneficiary:
           description: The wallet's owner. Optional for `FIRST_PARTY` accounts — the customer's verified identity is used. Required for `THIRD_PARTY` wallets on platforms with counterparty requirements (e.g. EU Travel Rule); if missing there, creation fails with `400 INVALID_INPUT`.
           $ref: '#/components/schemas/WalletBeneficiaryOneOf'
+    WalletCustodyFields:
+      type: object
+      properties:
+        vaspName:
+          type: string
+          description: Name of the VASP that custodies this account, from the VASP directory (`GET /vasps`). Present when the wallet is held at an exchange or other custodial platform; omit it for self-custody wallets. Ownership verification applies only to self-custody wallets.
+          example: Kraken
     BaseWalletExternalAccountInfo:
       title: Base Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/BaseWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     EthereumWalletExternalAccountInfo:
       title: Ethereum L1 Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/EthereumWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     LightningInfo:
       type: object
       description: |
@@ -19579,30 +19588,35 @@ components:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/PolygonWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     PlasmaWalletExternalAccountInfo:
       title: Plasma Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/PlasmaWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     SolanaWalletExternalAccountInfo:
       title: Solana Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/SolanaWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     SparkWalletExternalAccountInfo:
       title: Spark Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/SparkWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     TronWalletExternalAccountInfo:
       title: Tron Wallet
       allOf:
         - $ref: '#/components/schemas/BaseExternalAccountInfo'
         - $ref: '#/components/schemas/TronWalletInfo'
         - $ref: '#/components/schemas/WalletBeneficiaryFields'
+        - $ref: '#/components/schemas/WalletCustodyFields'
     CnyBeneficiary:
       title: Individual Beneficiary
       type: object
diff --git a/openapi/components/schemas/external_accounts/BaseWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/BaseWalletExternalAccountInfo.yaml
index effa30629..c54739397 100644
--- a/openapi/components/schemas/external_accounts/BaseWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/BaseWalletExternalAccountInfo.yaml
@@ -2,5 +2,5 @@ title: Base Wallet
 allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/BaseWalletInfo.yaml
-  
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/EthereumWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/EthereumWalletExternalAccountInfo.yaml
index 30ce9d92c..4a65b6f56 100644
--- a/openapi/components/schemas/external_accounts/EthereumWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/EthereumWalletExternalAccountInfo.yaml
@@ -3,3 +3,4 @@ allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/EthereumWalletInfo.yaml
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/PlasmaWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/PlasmaWalletExternalAccountInfo.yaml
index a4f8d2475..f6f4fd9a0 100644
--- a/openapi/components/schemas/external_accounts/PlasmaWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/PlasmaWalletExternalAccountInfo.yaml
@@ -3,3 +3,4 @@ allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/PlasmaWalletInfo.yaml
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/PolygonWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/PolygonWalletExternalAccountInfo.yaml
index 521b65350..c8a3ffb99 100644
--- a/openapi/components/schemas/external_accounts/PolygonWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/PolygonWalletExternalAccountInfo.yaml
@@ -2,5 +2,5 @@ title: Polygon Wallet
 allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/PolygonWalletInfo.yaml
-  
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/SolanaWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/SolanaWalletExternalAccountInfo.yaml
index f1cc9eae6..4c15a3573 100644
--- a/openapi/components/schemas/external_accounts/SolanaWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/SolanaWalletExternalAccountInfo.yaml
@@ -2,5 +2,5 @@ title: Solana Wallet
 allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/SolanaWalletInfo.yaml
-  
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/SparkWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/SparkWalletExternalAccountInfo.yaml
index 15427b7e2..2b198ae6f 100644
--- a/openapi/components/schemas/external_accounts/SparkWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/SparkWalletExternalAccountInfo.yaml
@@ -2,5 +2,5 @@ title: Spark Wallet
 allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/SparkWalletInfo.yaml
-  
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/TronWalletExternalAccountInfo.yaml b/openapi/components/schemas/external_accounts/TronWalletExternalAccountInfo.yaml
index a56249eb2..18ead1220 100644
--- a/openapi/components/schemas/external_accounts/TronWalletExternalAccountInfo.yaml
+++ b/openapi/components/schemas/external_accounts/TronWalletExternalAccountInfo.yaml
@@ -2,5 +2,5 @@ title: Tron Wallet
 allOf:
   - $ref: ./BaseExternalAccountInfo.yaml
   - $ref: ../common/TronWalletInfo.yaml
-  
   - $ref: ./WalletBeneficiaryFields.yaml
+  - $ref: ./WalletCustodyFields.yaml
diff --git a/openapi/components/schemas/external_accounts/WalletCustodyFields.yaml b/openapi/components/schemas/external_accounts/WalletCustodyFields.yaml
new file mode 100644
index 000000000..f971b8054
--- /dev/null
+++ b/openapi/components/schemas/external_accounts/WalletCustodyFields.yaml
@@ -0,0 +1,10 @@
+type: object
+properties:
+  vaspName:
+    type: string
+    description: >-
+      Name of the VASP that custodies this account, from the VASP directory
+      (`GET /vasps`). Present when the wallet is held at an exchange or other
+      custodial platform; omit it for self-custody wallets. Ownership
+      verification applies only to self-custody wallets.
+    example: Kraken