x402 census · saylorinnovations.com · 7695922fc9b8 · JSON

GET /api/words/define/:word

needs-input

Dictionary: Definitions, Examples, Pronunciation. English dictionary: definitions by part of speech with usage examples (Wiktionary), pronunciation, syllable count and word frequency; spelling suggestions when a word is not found.

Verdict: not verified by an unpaid GET. 400/422: wants input before the 402. This says nothing about whether the route works when called as declared.

Facts from the catalogs

Field Value

URL https://saylorinnovations.com/api/words/define/:word

Method GET

Price $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:137, eip155:42161

payTo 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

Seller saylorinnovations.com

Catalogs cdp (row updated 2026-09-25), payai (row updated 2026-09-30)

Listed since (lower bound) 2026-09-25 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-30

CDP quality counters 2 calls and 1 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain)

Category (keyword rule) image/video/audio

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

x402Version in catalog 2

Service name / tags Saylor Innovations Dictionary · dictionary, thesaurus, words, language, define

Unpaid probe (census of 2026-09-30)

Field

Value

Probed at

2026-09-30T23:27:55.460Z

HEAD

400

GET

400

Verdict

needs-input 400/422: wants input before the 402

402 carried in

n/a

x402Version in the 402

n/a

accepts[0]

none

Live amount equals catalog price

not comparable

Live payTo equals catalog payTo

not comparable

extensions.bazaar in the 402

PAYMENT-REQUIRED header

WWW-Authenticate offer

none

Content type / server / CORS

application/json / cloudflare / *

Latency

2,933 ms

Error

none

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 6

USDC volume $0.02

Median payment $0.0025

First / last payment 2026-09-27 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "word": "serendipity"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "found": true,
   "frequency_per_million": 0.292,
   "pronunciation_arpabet": "S EH0 R AH0 N D IH1 P IH0 T IY0",
   "senses": [
    {
     "definitions": [
      {
       "definition": "An unsought, unintended, but fortunate discovery.",
       "examples": []
      }
     ],
     "part_of_speech": "noun"
    }
   ],
   "syllables": 5,
   "word": "serendipity"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://saylorinnovations.com/api/words/define/:word' -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/7695922fc9b8/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7695922fc9b8"} 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: PayAI listing status · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on saylorinnovations.com.