Please help provide example for Session's additionalFields
Common Auth Domain for Multiple Hosts failing on Social Login with "Error Code: state_mismatch"
Missing or null origin on React Native
solid auth instance doesn't include organization methods
auth.organization.checkRolePermission. based on the docs, it's my understanding i should be able to have all the hooks exposed as async methods? perhaps there's something i'm doing wrong, here's my client
```...Stateless client-side only authentication with no server
authClient.getSession always calls /api/auth/get-session, but I do not have a backend for this end-point to exist at, so it fails. All the session data I care about should have been provided via the social provider interaction....onInvitationAccepted hook not triggering when invitation is accepted
Add activeOrganizationId to ApiKey Mock Session
Stripe Plugin error
With billing_mode.type=flexible set on a preview invoice, the following parameters are not supported: ignore_trial_end_behavior.
Any idea? Thks!...React SPA redirects on signIn and signUp
auth.api.signInAnonymous({}) doesn't contain additionalFields properties for user object on resolve
Next.js 16 issues

OAuth Proxy State Mismatch Issue with Localhost → Production Flow
better-auth with the oAuthProxy plugin to enable OAuth login from localhost through our production deployment, since our OAuth provider (AWS Cognito) only has the production URL whitelisted.
Expected Flow...Cookie isn't being saved on custom auth routes
toNodeHandler. But I don't want to use that. I just want to create all the auth routes manually like this:
```typescript
app.post("/api/auth/signin", async (req, res) => {
try {
const { email, password } = req.body;...returnHeader: true, which ensures that the signInEmail function returns the response headers within the data. From there, you can extract the cookies using let cookies = session.headers.getSetCookie(), which provides the cookies that need to be set. Finally, you manually set these cookies using your controller’s response object like this: res.setHeader('Set-Cookie', cookies).MongoDB E11000 Duplicate "id" Key Error
id field & it's unique constraint, so even after you updated the mongoose schema it doesn't reflect mongoHow can I securely protect my Next.js /admin page login system?
/api/admin/login
/api/admin/login
How to run createInvitation manually without checking for permission?
createInvitation method manually in my backend, but it is failing because the activeOrganizationId is not correct - but I am aware of this. Is there a way to call this manually?authClient.updateUser permissions
Checking if a teamId belongs to an orgId in Better Auth Organization
Anonymous accounts + roles
