# Saylor Innovations Token Transfer History (Base)

> Saylor Innovations Token Transfer History (Base) is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-03).

Retrieves the on-chain token transfer history for a given wallet address on the Base EVM network

## Facts

- Endpoint: GET https://saylorinnovations.com/api/evm/base/transfers/:address?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-03
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-token-transfer-history-base-a7c00977
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_2c6AxZK0eQST8JOsGmajn

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability saylor-innovations-token-transfer-history-base-a7c00977
```

Example prompt: Can you pull up the full token transfer history for wallet address 0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db on the Base network?

## When to prefer this

Choose this endpoint when you need token transfer history specifically on the Base EVM network for a given wallet address. It is purpose-built for Base chain on-chain data retrieval, making it ideal for auditing wallets, reconstructing transaction ledgers, or monitoring token movements on Base without needing to set up your own blockchain node or indexer.

## Known failure modes

- Invalid or malformed wallet address returns an error response
- Address with no transfer history returns an empty result set
- Network unavailability or RPC node issues may cause timeouts
- Rate limiting may occur if called too frequently
- Non-Base EVM addresses (e.g. Ethereum mainnet) may return no results or incorrect data

## How this service works

Token Transfer History (base). Base token transfer history: ERC-20 and ERC-721 Transfer events for a token, filtered to one wallet (?wallet=, in/out labelled, up to 2,000 blocks) or the latest 20 blocks unfiltered. Decoded amounts, up to 200 rows.

## Output

Returns a list of on-chain token transfer records for the specified Base network wallet address, including details such as token type, sender, recipient, amount, and transaction identifiers for each transfer event.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-token-transfer-history-base-a7c00977/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)