Overview
Chainlink price feed reads for three pairs: ETH/USD and BTC/USD on Ethereum (chain 1) and MATIC/USD on Polygon (chain 137). POST /v1/price with {pair, chain_id} and get the latest answer, feed address and update time. Any other pair answers 400. Pay per request in USDC; no account, no API key.
Protocol
x402 (POST)
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
blockchain/data
Provider
Pocket Network
Source
bazaar
Indexed
2026-09-25 14:44:55
Health
Status
healthy
Latency (p50)
66ms
Uptime (30d)
100.0%
Reliability Score
92/100
Last Checked
2026-09-26 14:29:14
Last Healthy
2026-09-26 14:29:14
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
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Also available via
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-26 14:29:14 | healthy | 402 | 96ms | |
| 2026-09-26 10:04:51 | healthy | 402 | 66ms | |
| 2026-09-26 01:15:41 | healthy | 402 | 64ms |