x402 census · x402-accelerometer-feed.fly.dev · 1cf897eaa7c6 · JSON

GET /delta/:from/:to

unprobed

What changed between two dated snapshots of 129 AI-progress and technology series: per source the from/to values and dates, absolute and % change, and whether a new observation landed. Covers frontier benchmark scores, compute trends, AGI prediction-market odds, model pricing, AI stocks and crypto, energy, space, robotics, research output. Ids are YYYY-MM-DD from the free menu at /. No composite …

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://x402-accelerometer-feed.fly.dev/delta/:from/:to

Method GET

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0xbC3A8eAc0601F717E803935cABEDeE8EDB7713C4

Seller x402-accelerometer-feed.fly.dev

Catalogs cdp (row updated 2026-09-16)

Listed since (lower bound) 2026-09-16 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-16

CDP quality counters 3 calls and 1 unique payers in 30 days, last call 2026-09-16 (catalog-reported, not verified on chain)

Category (keyword rule) trading-signals

Templated path yes: contains :param or {param}; probed as listed

x402Version in catalog 2

Service name / tags Accelerometer · ai-progress, agi, benchmarks, time-series, what-changed

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 2

Payments 33

USDC volume $0.27

Median payment n/a

First / last payment 2026-09-16 / 2026-09-19

Sampler-shaped share of payments n/a

Payers that are not samplers n/a

Source blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total

Address 0xbC3A8eAc0601F717E803935cABEDeE8EDB7713C4

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "from": ":from",
   "to": ":to"
  },
  "queryParams": {},
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 836
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://x402-accelerometer-feed.fly.dev/delta/:from/:to' -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/1cf897eaa7c6/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"1cf897eaa7c6"} 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 x402-accelerometer-feed.fly.dev.