x402 census · 2s.io · f735e69138b7 · JSON
GET /api/nutrition/food
live
USDA FoodData Central nutrition lookup. Two modes: search (query=cheddar cheese) returns matching foods with fdcId, description, data type, category, and brand; detail (fdcId=328637) returns the full analyzed nutrient profile — energy, protein, fats, carbohydrates, vitamins, minerals — with USDA nutrient numbers, amounts, and units (per 100 g/ml unless serving fields indicate otherwise), plus ing…
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://2s.io/api/nutrition/food |
| Method | GET |
| Price | $0.003 USDC = 3000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5 |
| Seller | 2s.io |
| Catalogs | cdp (row updated 2026-09-02) |
| Listed since (lower bound) | 2026-09-02 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-02 |
| CDP quality counters | 7 calls and 1 unique payers in 30 days, last call 2026-09-02 (catalog-reported, not verified on chain) |
| Category (keyword rule) | other/unknown |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | 2s · public-records, identifiers, ai-agents, us-gov-data, x402 |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T21:13:42.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 402 / 402 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"3000","payTo":"0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 1,717 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 118 |
| Payments | 833 |
| USDC volume | $6.21 |
| Median payment | $0.0012 |
| First / last payment | 2026-06-12 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5 |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"dataType": "Foundation",
"limit": 5,
"query": "cheddar cheese"
},
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://2s.io/api/nutrition/food' -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/f735e69138b7/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"f735e69138b7"} 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 2s.io.