x402 census · yieldsignal.vercel.app · e5cdeb7f1a8f · JSON
GET /signal/usdc-base-yield
unprobed
Real-time risk-weighted USDC lending APY on Base: Aave/Compound/Morpho read onchain, Moonwell/Euler/Fluid via DefiLlama, source tagged per reading (never estimated). EIP-712 signed by the payment-receiving address (see X-Signal-* headers), which also holds an ERC-8004 identity and attests readings on-chain via EAS. Verified per-asset accuracy is free at /accuracy.json; raw on-chain attestations a…
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://yieldsignal.vercel.app/signal/usdc-base-yield |
| Method | GET |
| Price | $0.10 USDC = 100000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x561143BFE9E2D975D92e915B8EfFEAa54119472a |
| Seller | yieldsignal.vercel.app |
| Catalogs | cdp (row updated 2026-09-21) |
| Listed since (lower bound) | 2026-09-21 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-21 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-21 (catalog-reported, not verified on chain) |
| Category (keyword rule) | trading-signals |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 3 |
| Payments | 3 |
| USDC volume | $0.03 |
| Median payment | $0.01 |
| First / last payment | 2026-07-27 / 2026-08-05 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x561143BFE9E2D975D92e915B8EfFEAa54119472a |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://yieldsignal.vercel.app/signal/usdc-base-yield' -H 'accept: application/json'
The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/e5cdeb7f1a8f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"e5cdeb7f1a8f"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on yieldsignal.vercel.app.