Agent Exchange x402 census and directory

x402 census · regimeshift.xyz · 2fc9d90ea2a3 · JSON

GET /api/v1/rate/sofr/usd

unprobed

Agent-SOFR — decentralized USD short-rate benchmark for AI agents. Weighted-median of 7 sources + variance + regime premiums. BNS-calibrated 6-mode classifier on 444k ETH/USDC 5-min bars (λ=1.097 closed-form). Open + IPFS-pinned methodology: agent-sofr-v1.

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

FieldValue
URLhttps://regimeshift.xyz/api/v1/rate/sofr/usd
MethodGET
Price$0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x82B17D0bb4De9ae6c3491257B60E8245e70acd7B
Sellerregimeshift.xyz
Catalogscdp (row updated 2026-09-24)
Listed since (lower bound)2026-09-24 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-24
CDP quality counters4 calls and 4 unique payers in 30 days, last call 2026-09-24 (catalog-reported, not verified on chain)
Category (keyword rule)storage/memory
Templated pathno
x402Version in catalog2
Service name / tagsnone

Unpaid probe (census of )

FieldValue
Probenot 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)

FieldValue
Distinct payers13
Payments16
USDC volume$0.02
Median payment$0.001
First / last payment2026-06-23 / 2026-09-22
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x82B17D0bb4De9ae6c3491257B60E8245e70acd7B

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "horizon": "1h"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "asset": "USD",
   "cache_ttl_sec": 60,
   "computed_at": 1779380000,
   "decomposition": {
    "base_anchor": 4.115,
    "regime_adjustment": 0,
    "variance_premium": 0
   },
   "horizon": "1h",
   "horizon_sec": 3600,
   "methodology": {
    "url": "https://regimeshift.xyz/methodology/agent-sofr-v1",
    "version": "agent-sofr-v1"
   },
   "ok": true,
   "rate": 4.115,
   "regime": {
    "mode": "RESTING",
    "mode_index": 0
   }
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://regimeshift.xyz/api/v1/rate/sofr/usd' -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/2fc9d90ea2a3/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"2fc9d90ea2a3"} 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 regimeshift.xyz.