> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3os.org/llms.txt
> Use this file to discover all available pages before exploring further.

# x402 and Public Utilities

Configure x402 endpoints and public utility surfaces such as faucets and block cursors.

| Method | Endpoint                                                                                    | Description                                                              |
| ------ | ------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------ |
| `GET`  | [/v1/block-cursors](/api/reference/get-v1-block-cursors)                                    | Get latest block cursor for a chain                                      |
| `POST` | [/v1/faucet/claim](/api/reference/post-v1-faucet-claim)                                     | Send testnet tokens from the faucet to the organization's default wallet |
| `GET`  | [/v1/x402-endpoints](/api/reference/get-v1-x402-endpoints)                                  | List all public x402 endpoints                                           |
| `POST` | [/v1/x402-endpoints](/api/reference/post-v1-x402-endpoints)                                 | Create \(import\) a new x402 endpoint after successful test              |
| `GET`  | [/v1/x402-endpoints/{id}](/api/reference/get-v1-x402-endpoints-id-)               | Get an x402 endpoint by ID                                               |
| `POST` | [/v1/x402-endpoints/{id}/verify](/api/reference/post-v1-x402-endpoints-id-verify) | Re-verify an x402 endpoint and update its schemas                        |
| `GET`  | [/v1/x402-endpoints/by-url](/api/reference/get-v1-x402-endpoints-by-url)                    | Check if an x402 endpoint exists by URL                                  |
| `POST` | [/v1/x402-endpoints/execute](/api/reference/post-v1-x402-endpoints-execute)                 | Execute an x402 call with a pre-signed payment header \(proxy mode\)     |
| `POST` | [/v1/x402-endpoints/probe](/api/reference/post-v1-x402-endpoints-probe)                     | Probe an x402 endpoint to get its payment requirements                   |
| `POST` | [/v1/x402-endpoints/test](/api/reference/post-v1-x402-endpoints-test)                       | Test an x402 endpoint using the organization's default Turnkey wallet    |