## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.neynar.com/llms.txt)

Use this file to discover all available pages before exploring further.

### By FIDs (Farcaster account IDs)
[**Reference**](https://docs.neynar.com/reference/fetch-bulk-users)

### By Eth or Sol addresses
[**Reference**](https://docs.neynar.com/reference/fetch-bulk-users-by-eth-or-sol-address)

### By custody-address
[**Reference**](https://docs.neynar.com/reference/lookup-user-by-custody-address)

### By Farcaster username
[**Reference**](https://docs.neynar.com/reference/lookup-user-by-username)

### By X / Twitter username
[**Reference**](https://docs.neynar.com/reference/lookup-users-by-x-username)

### By location
[**Reference**](https://docs.neynar.com/reference/fetch-users-by-location)

### Search for Usernames
[**Reference**](https://docs.neynar.com/reference/search-user)