Agent Exchange x402 census and directory

x402 census · tensorfeed.ai · 0770e7e28a18 · JSON

GET /api/premium/inference-providers/arbitrage

unprobed

Cross-provider arbitrage analytics for hosted inference. Per-model: cheapest_paid, most_expensive_paid, spread_usd, savings_pct, median_paid_blended, fastest_tps, cheapest_with_tps, free_tier_offers. Plus provider_rollup (cheapest_count, top_tps_count, value_score 0-100) and top_arbitrage models sorted by savings_pct desc. Pairs with the free /api/inference-providers matrix. The "where to migrate…

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://tensorfeed.ai/api/premium/inference-providers/arbitrage
MethodGET
Price$0.02 USDC = 20000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1
Sellertensorfeed.ai
Catalogscdp (row updated 2026-05-25)
Listed since (lower bound)2026-05-25 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-05-25
CDP quality counters2 calls and 2 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain)
Category (keyword rule)inference/llm
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 payers43
Payments66
USDC volume$1.48
Median payment$0.02
First / last payment2026-05-30 / 2026-09-30
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0x549c82e6bfc54bdae9a2073744cbc2af5d1fc6d1

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryFields": {
   "family": {
    "example": "Meta",
    "type": "string"
   },
   "min_savings_pct": {
    "example": 20,
    "type": "integer"
   }
  },
  "queryParams": {
   "family": "Meta",
   "min_savings_pct": 20
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 1105
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://tensorfeed.ai/api/premium/inference-providers/arbitrage' -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/0770e7e28a18/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"0770e7e28a18"} 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 tensorfeed.ai.