diff --git a/src/authorization/authorization.spec.ts b/src/authorization/authorization.spec.ts
index 51a675de4..90f3055d4 100644
--- a/src/authorization/authorization.spec.ts
+++ b/src/authorization/authorization.spec.ts
@@ -1739,6 +1739,47 @@ describe('Authorization', () => {
         order: 'desc',
       });
     });
+
+    it('filters by resource id', async () => {
+      fetchOnce(listRoleAssignmentsFixture);
+
+      await workos.authorization.listRoleAssignments({
+        organizationMembershipId: testOrgMembershipId,
+        resourceId: testResourceId,
+      });
+
+      expect(fetchSearchParams()).toMatchObject({
+        resource_id: testResourceId,
+      });
+    });
+
+    it('filters by resource external id and resource type slug', async () => {
+      fetchOnce(listRoleAssignmentsFixture);
+
+      await workos.authorization.listRoleAssignments({
+        organizationMembershipId: testOrgMembershipId,
+        resourceExternalId: 'doc-456',
+        resourceTypeSlug: 'document',
+      });
+
+      expect(fetchSearchParams()).toMatchObject({
+        resource_external_id: 'doc-456',
+        resource_type_slug: 'document',
+      });
+    });
+
+    it('filters by resource type slug only', async () => {
+      fetchOnce(listRoleAssignmentsFixture);
+
+      await workos.authorization.listRoleAssignments({
+        organizationMembershipId: testOrgMembershipId,
+        resourceTypeSlug: 'document',
+      });
+
+      expect(fetchSearchParams()).toMatchObject({
+        resource_type_slug: 'document',
+      });
+    });
   });
 
   describe('listRoleAssignmentsForResource', () => {
@@ -1818,6 +1859,19 @@ describe('Authorization', () => {
         order: 'desc',
       });
     });
+
+    it('filters by role slug', async () => {
+      fetchOnce(listRoleAssignmentsFixture);
+
+      await workos.authorization.listRoleAssignmentsForResource({
+        resourceId: testResourceId,
+        roleSlug: 'editor',
+      });
+
+      expect(fetchSearchParams()).toMatchObject({
+        role_slug: 'editor',
+      });
+    });
   });
 
   describe('listResourceRoleAssignments', () => {
@@ -1903,6 +1957,21 @@ describe('Authorization', () => {
         order: 'desc',
       });
     });
+
+    it('filters by role slug', async () => {
+      fetchOnce(listRoleAssignmentsFixture);
+
+      await workos.authorization.listResourceRoleAssignments({
+        organizationId: testOrgId,
+        resourceTypeSlug: 'document',
+        externalId: 'doc-456',
+        roleSlug: 'editor',
+      });
+
+      expect(fetchSearchParams()).toMatchObject({
+        role_slug: 'editor',
+      });
+    });
   });
 
   describe('assignRole', () => {
diff --git a/src/authorization/authorization.ts b/src/authorization/authorization.ts
index 882908191..545ae217f 100644
--- a/src/authorization/authorization.ts
+++ b/src/authorization/authorization.ts
@@ -75,6 +75,8 @@ import {
   serializeListMembershipsForResourceOptions,
   serializeListResourcesForMembershipOptions,
   serializeListEffectivePermissionsOptions,
+  serializeListRoleAssignmentsOptions,
+  serializeListRoleAssignmentsForResourceOptions,
 } from './serializers';
 import {
   AuthorizationOrganizationMembership,
@@ -857,12 +859,13 @@ export class Authorization {
   ): Promise<AutoPaginatable<RoleAssignment>> {
     const { organizationMembershipId, ...queryOptions } = options;
     const endpoint = `/authorization/organization_memberships/${organizationMembershipId}/role_assignments`;
+    const serializedOptions = serializeListRoleAssignmentsOptions(queryOptions);
     return new AutoPaginatable(
       await fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
         this.workos,
         endpoint,
         deserializeRoleAssignment,
-        queryOptions,
+        serializedOptions,
       ),
       (params) =>
         fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
@@ -871,7 +874,7 @@ export class Authorization {
           deserializeRoleAssignment,
           params,
         ),
-      queryOptions,
+      serializedOptions,
     );
   }
 
@@ -894,12 +897,14 @@ export class Authorization {
   ): Promise<AutoPaginatable<RoleAssignment>> {
     const { resourceId, ...queryOptions } = options;
     const endpoint = `/authorization/resources/${resourceId}/role_assignments`;
+    const serializedOptions =
+      serializeListRoleAssignmentsForResourceOptions(queryOptions);
     return new AutoPaginatable(
       await fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
         this.workos,
         endpoint,
         deserializeRoleAssignment,
-        queryOptions,
+        serializedOptions,
       ),
       (params) =>
         fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
@@ -908,7 +913,7 @@ export class Authorization {
           deserializeRoleAssignment,
           params,
         ),
-      queryOptions,
+      serializedOptions,
     );
   }
 
@@ -942,12 +947,14 @@ export class Authorization {
     const { organizationId, resourceTypeSlug, externalId, ...queryOptions } =
       options;
     const endpoint = `/authorization/organizations/${organizationId}/resources/${resourceTypeSlug}/${externalId}/role_assignments`;
+    const serializedOptions =
+      serializeListRoleAssignmentsForResourceOptions(queryOptions);
     return new AutoPaginatable(
       await fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
         this.workos,
         endpoint,
         deserializeRoleAssignment,
-        queryOptions,
+        serializedOptions,
       ),
       (params) =>
         fetchAndDeserialize<RoleAssignmentResponse, RoleAssignment>(
@@ -956,7 +963,7 @@ export class Authorization {
           deserializeRoleAssignment,
           params,
         ),
-      queryOptions,
+      serializedOptions,
     );
   }
 
diff --git a/src/authorization/interfaces/list-role-assignments-for-resource-by-external-id-options.interface.ts b/src/authorization/interfaces/list-role-assignments-for-resource-by-external-id-options.interface.ts
index 9d0ca13c2..7f7b943e6 100644
--- a/src/authorization/interfaces/list-role-assignments-for-resource-by-external-id-options.interface.ts
+++ b/src/authorization/interfaces/list-role-assignments-for-resource-by-external-id-options.interface.ts
@@ -4,4 +4,6 @@ export interface ListRoleAssignmentsForResourceByExternalIdOptions extends Pagin
   organizationId: string;
   resourceTypeSlug: string;
   externalId: string;
+  /** Filter role assignments to only those that grant this role. */
+  roleSlug?: string;
 }
diff --git a/src/authorization/interfaces/list-role-assignments-for-resource-options.interface.ts b/src/authorization/interfaces/list-role-assignments-for-resource-options.interface.ts
index 5b21ba99e..943bfe7a1 100644
--- a/src/authorization/interfaces/list-role-assignments-for-resource-options.interface.ts
+++ b/src/authorization/interfaces/list-role-assignments-for-resource-options.interface.ts
@@ -2,4 +2,10 @@ import { PaginationOptions } from '../../common/interfaces/pagination-options.in
 
 export interface ListRoleAssignmentsForResourceOptions extends PaginationOptions {
   resourceId: string;
+  /** Filter role assignments to only those that grant this role. */
+  roleSlug?: string;
+}
+
+export interface SerializedListRoleAssignmentsForResourceOptions extends PaginationOptions {
+  role_slug?: string;
 }
diff --git a/src/authorization/interfaces/list-role-assignments-options.interface.ts b/src/authorization/interfaces/list-role-assignments-options.interface.ts
index fd28b798b..91266489e 100644
--- a/src/authorization/interfaces/list-role-assignments-options.interface.ts
+++ b/src/authorization/interfaces/list-role-assignments-options.interface.ts
@@ -1,4 +1,17 @@
 import { PaginationOptions } from '../../common/interfaces/pagination-options.interface';
+
 export interface ListRoleAssignmentsOptions extends PaginationOptions {
   organizationMembershipId: string;
+  /** Filter role assignments to only those granted on the resource with this ID. */
+  resourceId?: string;
+  /** Filter role assignments to only those granted on the resource with this external ID. Can be used on its own or combined with `resourceTypeSlug`. */
+  resourceExternalId?: string;
+  /** Filter role assignments to only those granted on resources of this type. Can be used on its own or combined with `resourceExternalId`. */
+  resourceTypeSlug?: string;
+}
+
+export interface SerializedListRoleAssignmentsOptions extends PaginationOptions {
+  resource_id?: string;
+  resource_external_id?: string;
+  resource_type_slug?: string;
 }
diff --git a/src/authorization/serializers/index.ts b/src/authorization/serializers/index.ts
index ed09c6570..68571380e 100644
--- a/src/authorization/serializers/index.ts
+++ b/src/authorization/serializers/index.ts
@@ -16,6 +16,8 @@ export * from './authorization-check-options.serializer';
 export * from './list-resources-for-membership-options.serializer';
 export * from './list-memberships-for-resource-options.serializer';
 export * from './role-assignment.serializer';
+export * from './list-role-assignments-options.serializer';
+export * from './list-role-assignments-for-resource-options.serializer';
 export * from './assign-role-options.serializer';
 export * from './remove-role-options.serializer';
 export * from './list-effective-permissions-options.serializer';
diff --git a/src/authorization/serializers/list-role-assignments-for-resource-options.serializer.ts b/src/authorization/serializers/list-role-assignments-for-resource-options.serializer.ts
new file mode 100644
index 000000000..ab9a9d005
--- /dev/null
+++ b/src/authorization/serializers/list-role-assignments-for-resource-options.serializer.ts
@@ -0,0 +1,14 @@
+import { PaginationOptions } from '../../common/interfaces/pagination-options.interface';
+import { serializePaginationOptions } from '../../common/serializers';
+import { SerializedListRoleAssignmentsForResourceOptions } from '../interfaces/list-role-assignments-for-resource-options.interface';
+
+interface ListRoleAssignmentsForResourceQueryOptions extends PaginationOptions {
+  roleSlug?: string;
+}
+
+export const serializeListRoleAssignmentsForResourceOptions = (
+  options: ListRoleAssignmentsForResourceQueryOptions,
+): SerializedListRoleAssignmentsForResourceOptions => ({
+  ...(options.roleSlug && { role_slug: options.roleSlug }),
+  ...serializePaginationOptions(options),
+});
diff --git a/src/authorization/serializers/list-role-assignments-options.serializer.ts b/src/authorization/serializers/list-role-assignments-options.serializer.ts
new file mode 100644
index 000000000..658517929
--- /dev/null
+++ b/src/authorization/serializers/list-role-assignments-options.serializer.ts
@@ -0,0 +1,18 @@
+import { serializePaginationOptions } from '../../common/serializers';
+import {
+  ListRoleAssignmentsOptions,
+  SerializedListRoleAssignmentsOptions,
+} from '../interfaces/list-role-assignments-options.interface';
+
+export const serializeListRoleAssignmentsOptions = (
+  options: Omit<ListRoleAssignmentsOptions, 'organizationMembershipId'>,
+): SerializedListRoleAssignmentsOptions => ({
+  ...(options.resourceId && { resource_id: options.resourceId }),
+  ...(options.resourceExternalId && {
+    resource_external_id: options.resourceExternalId,
+  }),
+  ...(options.resourceTypeSlug && {
+    resource_type_slug: options.resourceTypeSlug,
+  }),
+  ...serializePaginationOptions(options),
+});