Chainlink on-chain price feed (ETH/USD or BTC/USD, Ethereum mainnet)
Chainlink on-chain price feed (ETH/USD or BTC/USD, Ethereum mainnet): latest round answer in USD, round id, and the start and update times with the age of the last update in seconds. Only the two feeds listed here are supported. Heartbeat and deviation thresholds are not reported.
Answeringour last check, 2026-10-24
1 of 1checks answered this week
35 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.chainmarket-api.workers.dev/api/crypto/chainlink-price-feeds
| Category | Market data |
|---|---|
| Provider host | api.chainmarket-api.workers.dev |
| Networks | eip155:10, eip155:137, eip155:143, eip155:42161, eip155:42220, eip155:43114, eip155:480, eip155:5042, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, xrpl:0 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-24 | valid payment request | 402 | $0.002 | 35 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"feed": "eth-usd"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"feed": {
"description": "eth-usd or btc-usd (default eth-usd)",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}