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ETH Total Supply
x402
ETH Total Supply is a paid API for AI agents from www.x402financialdata.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns the total circulating supply of ETH on the Ethereum mainnet, sourced from Etherscan's V2 API.
Price / call$0.01
Success—
StatusUnknown
How this service works
Total ETH supply, from Etherscan's V2 API. Not address-specific. $0.01/call.
Output
A numeric value representing the total circulating supply of ETH on the Ethereum mainnet, as reported by Etherscan's V2 API. Typically returned as a large integer or decimal figure in ETH units.
Example use cases
Ethereum market cap calculation
“What's the total ETH in circulation right now? I want to multiply it by the current ETH price to estimate market cap.”
On-chain supply monitoring dashboard
“Fetch the total ETH supply on Ethereum mainnet — I'm updating my dashboard that tracks Ethereum's circulating supply over time.”
Macro crypto research report
“Pull the current total ETH supply for me so I can include it in a research note comparing Ethereum's monetary policy to Bitcoin's.”
Technical details
Endpoint
GEThttps://www.x402financialdata.com/eth-supplyWhen to prefer
Use this endpoint when you need the total ETH circulating supply figure quickly and cheaply ($0.01/call) without building your own Etherscan integration. Ideal for dashboards, market cap calculations, or macro research that needs a single authoritative on-chain number for Ethereum mainnet. Prefer this over scraping Etherscan directly or using a heavier data provider for this narrow, specific metric.
Side effects
- Etherscan V2 API downtime may result in a 503 or timeout
- Unsupported chain parameter (only 'eth' is valid) returns an error
- Payment failure or insufficient USDC balance blocks the call
- Rate limiting may occur under high request frequency
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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