x402 census · kitchen-pass.netlify.app · 8a154ac4d0bd · JSON

POST /v1/substitute

unprobed

What can I use instead of buttermilk, self-raising flour, creme fraiche or sour cream? Get head chef Cristopher's verified swaps: yes, no or depends (and on what), with amount and context where given, including swaps not to make. Also fresh herbs, butter, oil, sugar, flour, fresh tomatoes, fresh stock, whole spices; others get a 404 listing them. Refused, never guessed: allergens and dairy-, egg-…

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://kitchen-pass.netlify.app/v1/substitute

Method POST

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base)

payTo 0x582807F02712b4FBaa82D65b73D9B9101B7b33f4

Seller kitchen-pass.netlify.app

Catalogs cdp (row updated 2026-09-30)

Listed since (lower bound) 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-30

CDP quality counters 3 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain)

Category (keyword rule) finance/macro

Templated path no

x402Version in catalog 2

Service name / tags Kitchen Pass Chef API · cooking, recipes, food, baking, substitutions

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 12

USDC volume $0.14

Median payment n/a

First / last payment 2026-09-29 / 2026-09-30

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 0x582807F02712b4FBaa82D65b73D9B9101B7b33f4

Declared input and output (extensions.bazaar)

{
 "input": {
  "body": {
   "ingredient": "buttermilk"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "ingredient": "buttermilk",
   "options": [
    {
     "amount": null,
     "context": "in baking",
     "dependsOn": null,
     "use": "milk plus lemon juice",
     "verdict": "yes"
    }
   ],
   "provenance": {
    "label": "Chef-verified by Cristopher"
   },
   "status": "ok"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X POST 'https://kitchen-pass.netlify.app/v1/substitute' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'

The catalog declares POST. 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/8a154ac4d0bd/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8a154ac4d0bd"} 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 kitchen-pass.netlify.app.