> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0xarchive.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Auth & keys endpoints

> Browse wallet verification, API key management, paid x402 access, and key revocation routes for 0xArchive accounts.

Choose a route below. Each page includes parameters, auth, responses, and examples.

For identifier and workflow context, open [Auth & keys semantics](/wallet-automation).

| Endpoint | Method | Path | Group |
| - | - | - | - |
| [Get SIWE challenge message](/api-reference/web3-authentication/get-siwe-challenge-message) | POST | /v1/auth/web3/challenge | Web3 Authentication |
| [List API keys for wallet](/api-reference/web3-authentication/list-api-keys-for-wallet) | POST | /v1/web3/keys | Web3 Authentication |
| [Revoke an API key](/api-reference/web3-authentication/revoke-an-api-key) | POST | /v1/web3/keys/revoke | Web3 Authentication |
| [Start Build or Pro access via x402 USDC payment](/api-reference/web3-authentication/start-build-or-pro-access-via-x402-usdc-payment) | POST | /v1/web3/subscribe | Web3 Authentication |
| [Verify SIWE signature](/api-reference/web3-authentication/verify-siwe-signature) | POST | /v1/auth/web3/verify | Web3 Authentication |


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