x402 census · sellers · similarity.openverbs.com · JSON
similarity.openverbs.com unverified
similarity.openverbs.com lists 10 x402 resources in cdp; 0 answered a valid 402 to an unpaid GET, 0 are dead; prices $0.002 to $0.004; on-chain 5 payers, 197 payments, $1.35 USDC; discovery files: manifest, openapi.
Listed resources
10
POST 10
Valid 402
0 / 0
verdict unverified
Dead
0
none
Prices
$0.002–$0.004
median $0.004; networks base
Payers on record
5
197 payments, $1.35 USDC, last 2026-09-30
Sampler share
100.0%
payments from monitor/indexer-shaped wallets
Discovery files on the host (checked 2026-09-30)
| File | Status | Detail |
|---|---|---|
| /.well-known/x402 | present | object-list, 10 entries, with prices |
| /openapi.json | present | 11 paths, 10 operations with x-payment-info, 10 declare a 402 response |
| /llms.txt | absent (HTTP 404) | |
| /.well-known/agent-card.json | absent (HTTP 404) |
On-chain settlement facts (public payTo addresses)
5 distinct paying wallets, 197 payments, $1.35 USDC between 2026-09-09 and 2026-09-30; 100.0% of payments came from sampler-shaped wallets. Source: forensics-2026-09-30; the payTo also receives for 90 other hosts; on-chain totals are per address, not per host.
payTo: 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A. The same payTo also receives for 90 other hosts: airport.openverbs.com, astro.openverbs.com, bitwise.openverbs.com, braille.openverbs.com, chain.openverbs.com, checkdigit.openverbs.com, checksum.openverbs.com, chem.openverbs.com, chemeq.openverbs.com, color.openverbs.com, combinatorics.openverbs.com, creditcard.openverbs.com and more; on-chain totals are per address, not per host.
Resources (10)
| Resource | Price | Network | Verdict | Catalogs | Description |
|---|---|---|---|---|---|
| POST /v1/jaro | $0.004 | base | unprobed | cdp | Jaro similarity and the Jaro-Winkler variant (which boosts scores for a shared prefix), b… |
| POST /v1/jaccard | $0.004 | base | live re-probed 2026-10-01 | cdp | Jaccard similarity index in [0,1] — the size of the intersection over the union of the tw… |
| POST /v1/hamming | $0.004 | base | live re-probed 2026-10-01 | cdp | Hamming distance — the number of positions at which two EQUAL-LENGTH strings differ — plu… |
| POST /v1/damerau | $0.004 | base | live re-probed 2026-10-01 | cdp | Damerau-Levenshtein distance — like Levenshtein but also counts adjacent transpositions a… |
| POST /v1/levenshtein | $0.004 | base | live re-probed 2026-10-01 | cdp | Levenshtein edit distance (insertions, deletions, substitutions) between two strings, plu… |
| POST /v1/compare | $0.002 | base | live re-probed 2026-10-01 | cdp | Report whether two tokens sound alike under a chosen algorithm (soundex, metaphone or dou… |
| POST /v1/double-metaphone | $0.002 | base | live re-probed 2026-10-01 | cdp | Encode a word with Double Metaphone, returning a primary and a secondary code to capture … |
| POST /v1/metaphone | $0.002 | base | live re-probed 2026-10-01 | cdp | Encode a word with the Metaphone algorithm — more accurate than Soundex for English pronu… |
| POST /v1/soundex | $0.002 | base | live re-probed 2026-10-01 | cdp | Encode a word with the classic Soundex algorithm (letter + 3 digits) for phonetic matchin… |
| POST /v1/dice | $0.004 | base | live re-probed 2026-10-01 | cdp | Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word ord… |
Counting the latest re-probes of the first 10 resources, 9 answer a valid 402 now. Catalog rows: cdp 10. Listed since at least 2026-09-06; last catalog update 2026-09-14. CDP counters: 21 calls, 11 payer-rows in 30 days (catalog-reported).
Badge
<a href="https://bazaar.agentexchange.work/seller/similarity.openverbs.com"><img src="https://bazaar.agentexchange.work/seller/similarity.openverbs.com.svg" alt="similarity.openverbs.com on the Agent Exchange x402 census: 0 routes live"></a>
Paid report (x402)
GET https://bazaar.agentexchange.work/seller/similarity.openverbs.com/report.json re-probes up to 18 of these resources right now, re-fetches the manifest and returns the whole record for $0.05 USDC on Base. Unpaid requests answer 402 with the terms. Pricing.