diff --git a/modules/expo-bluesky-oauth-client/android/src/main/java/JWK.kt b/modules/expo-bluesky-oauth-client/android/src/main/java/JWK.kt
new file mode 100644
index 0000000000..5959ea8c00
--- /dev/null
+++ b/modules/expo-bluesky-oauth-client/android/src/main/java/JWK.kt
@@ -0,0 +1,34 @@
+package expo.modules.blueskyoauthclient
+
+import expo.modules.kotlin.records.Record
+import expo.modules.kotlin.records.Field
+
+class JWK : Record {
+  @Field
+  var alg: String = ""
+  @Field
+  var kty: String = ""
+  @Field
+  var crv: String? = null
+  @Field
+  var x: String? = null
+  @Field
+  var y: String? = null
+  @Field
+  var e: String? = null
+  @Field
+  var n: String? = null
+  @Field
+  var d: String? = null
+  @Field
+  var use: String? = null
+  @Field
+  var kid: String? = null
+}
+
+class JWKPair : Record {
+  @Field
+  val privateKey: JWK = JWK()
+  @Field
+  val publicKey: JWK = JWK()
+}
\ No newline at end of file
diff --git a/modules/expo-bluesky-oauth-client/android/src/main/java/expo/modules/blueskyoauthclient/JWT.kt b/modules/expo-bluesky-oauth-client/android/src/main/java/expo/modules/blueskyoauthclient/JWT.kt
new file mode 100644
index 0000000000..235ed07dba
--- /dev/null
+++ b/modules/expo-bluesky-oauth-client/android/src/main/java/expo/modules/blueskyoauthclient/JWT.kt
@@ -0,0 +1,158 @@
+package expo.modules.blueskyoauthclient
+
+import expo.modules.kotlin.records.Record
+import expo.modules.kotlin.records.Field
+
+class JWTHeader : Record {
+  @Field
+  val alg: String = ""
+  @Field
+  var jku: String? = null
+  @Field
+  var jwk: JWK = JWK()
+  @Field
+  var kid: String? = null
+  @Field
+  var typ: String? = null
+  @Field
+  var cty: String? = null
+  @Field
+  var crit: String? = null
+}
+
+class JWTPayload : Record {
+  @Field
+  var iss: String? = null
+  @Field
+  var aud: String? = null
+  @Field
+  var sub: String? = null
+  @Field
+  var exp: Int? = null
+  @Field
+  var nbr: Int? = null
+  @Field
+  var iat: Int? = null
+  @Field
+  var jti: String? = null
+  @Field
+  var htm: String? = null
+  @Field
+  var htu: String? = null
+  @Field
+  var ath: String? = null
+  @Field
+  var acr: String? = null
+  @Field
+  var azp: String? = null
+  @Field
+  var amr: String? = null
+  @Field
+  var cnf: JWTPayloadCNF? = null
+  @Field
+  var client_id: String? = null
+  @Field
+  var scope: String? = null
+  @Field
+  var nonce: String? = null
+  @Field
+  var at_hash: String? = null
+  @Field
+  var c_hash: String? = null
+  @Field
+  var s_hash: String? = null
+  @Field
+  var auth_time: Int? = null
+  @Field
+  var name: String? = null
+  @Field
+  var family_name: String? = null
+  @Field
+  var given_name: String? = null
+  @Field
+  var middle_name: String? = null
+  @Field
+  var nickname: String? = null
+  @Field
+  var preferred_username: String? = null
+  @Field
+  var gender: String? = null
+  @Field
+  var picture: String? = null
+  @Field
+  var profile: String? = null
+  @Field
+  var website: String? = null
+  @Field
+  var birthdate: String? = null
+  @Field
+  var zoneinfo: String? = null
+  @Field
+  var locale: String? = null
+  @Field
+  var updated_at: Int? = null
+  @Field
+  var email: String? = null
+  @Field
+  var email_verified: String? = null
+  @Field
+  var phone_number: String? = null
+  @Field
+  var phone_number_verified: Boolean? = null
+  @Field
+  var address: JWTPayloadAddress? = null
+  @Field
+  var authorization_details: JWTPayloadAuthorizationDetails? = null
+}
+
+class JWTPayloadCNF : Record {
+  @Field
+  var kid: String? = null
+  @Field
+  var jwk: JWK? = null
+  @Field
+  var jwe: String? = null
+  @Field
+  var jku: String? = null
+  @Field
+  var jkt: String? = null
+  @Field
+  var osc: String? = null
+}
+
+class JWTPayloadAddress : Record {
+  @Field
+  var formatted: String? = null
+  @Field
+  var street_address: String? = null
+  @Field
+  var locality: String? = null
+  @Field
+  var region: String? = null
+  @Field
+  var postal_code: String? = null
+  @Field
+  var country: String? = null
+}
+
+class JWTPayloadAuthorizationDetails : Record {
+  @Field
+  var type: String = ""
+  @Field
+  var locations: Array<String>? = null
+  @Field
+  var actions: Array<String>? = null
+  @Field
+  var datatypes: Array<String>? = null
+  @Field
+  var identifier: String? = null
+  @Field
+  var privileges: Array<String>? = null
+}
+
+class JWTVerifyResponse : Record {
+  @Field
+  var protectedHeader: JWTHeader = JWTHeader()
+  @Field
+  var payload: String = ""
+}