---
title: "Base Transaction Lookup: Status, Fee and Token Transfers"
method: GET
path: "/v1/base-transaction"
tags: ["Base"]
---

# Base Transaction Lookup: Status, Fee and Token Transfers

`GET /v1/base-transaction`

## Request

- Base URL: `https://api.ambolt.dev`
- URL: `https://api.ambolt.dev/v1/base-transaction`
- Auth: none required

Look up a transaction on Base by hash: success or revert, block and time, sender, recipient, ETH value, gas and fee, the called method selector, and decoded ERC-20 transfers with token symbols. Read live from the chain; facts only.

## Query parameters

- `hash` string, required: Transaction hash on Base.
- `free` '1'

## Response `200`

Result (JSON). Every result names its source and the time it was read.

- object

## Other responses

- `400`: Invalid input; not charged.
- `402`: Payment required: 0.005 USD in USDC (x402 v2).

---

[API](https://skmtc.dev/ambolt/apis/ambolt-data-tools.md) · [All operations](https://skmtc.dev/ambolt/apis/ambolt-data-tools/llms.txt) · [OpenAPI document](https://skmtc.dev/ambolt/apis/ambolt-data-tools/revisions/8397885dd82f?raw)