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

# Overview

> AI agent activity data on Base

The `base.agents` schema provides analytics for AI agent protocols and activity on Base.

## Available Protocols

| Protocol                                                                          | Description                                       |
| --------------------------------------------------------------------------------- | ------------------------------------------------- |
| [x402](/historical-data/supported-blockchains/evm/base/agents/x402-overview)      | Micropayment protocol for pay-per-call API access |
| [ERC-8004](/historical-data/supported-blockchains/evm/base/agents/erc8004-events) | On-chain agent identity and reputation standard   |

Our Base Agents schema contains the following tables:

| Schema | Description                                                                                  | Tables                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| ------ | -------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Agents | AI agent and autonomous service activity data, including registrations, events, and metrics. | [erc8004\_events](/historical-data/supported-blockchains/evm/base/agents/erc8004-events), [x402\_facilitators](/historical-data/supported-blockchains/evm/base/agents/x402-facilitators), [x402\_metrics\_daily](/historical-data/supported-blockchains/evm/base/agents/x402-metrics-daily), [x402\_overview](/historical-data/supported-blockchains/evm/base/agents/x402-overview), [x402\_transfers](/historical-data/supported-blockchains/evm/base/agents/x402-transfers) |