Endpoint · researchGETagent402.tools /api/bestsellers ?days=30&limit=10&sort=buyers
What agents actually pay for across a 500+ tool x402 catalog: the tools ranked by settled calls, distinct buyers and dollars over a window you choose, read from the seller's own…
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What agents actually pay for across a 500+ tool x402 catalog: the tools ranked by settled calls, distinct buyers and dollars over a window you choose, read from the seller's own sales ledger rather than the chain. Use it when an agent is deciding what to build, what to buy, or what paying demand on x402 looks like this week.Overview
Grade?
UNRATED
4 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
4
4 delivered
More info
Seller?
URL
https://agent402.tools/api/bestsellers?days=30&limit=10&sort=buyers
MCP server on this host: io.github.MikeyPetrillo/agent402
Seen
first 34 days ago · last 12 hr ago
78 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
MPP evm, tempo is offered but no paid call here went that way.
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Scoreweights 2026.09.6
UN
RATED
RATED
0.151 delivery verified, no letter
To a letter · 30 paid calls
4 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.849: 0.846 uncertain ? + 0.003 short ? · 0.299 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| honestycosts the most it charged what it advertised |
0.38 | 1.00 | 0.000 | 0.000 | 0 | −0.385 | |
| liveness it answered at all |
0.23 | 1.00 | 0.000 | 0.000 | 0 | −0.231 | |
| schema conformance the answer matched the shape it published |
0.23 | 1.00 | 0.000 | 0.000 | 0 | −0.231 | |
| latency p95 it answered as fast as its class |
0.08 | 0.96 | 0.962 | 0.074 | −0.003 | 0 | |
| price stability the price stayed where it was listed |
0.08 | 1.00 | 1.000 | 0.077 | 0 | 0 | |
| Composite | 1.00 | 0.151 | gap to 1.000 = 0.849 · 0.003 short · 0.846 uncertain | 0.151 | −0.003 | −0.846 |
Not measured: correctness · no paid call was checked against a task
The multiplication, written out
0.385 × 0.000 honesty
+ 0.231 × 0.000 liveness
+ 0.231 × 0.000 schema conformance
+ 0.077 × 0.962 latency p95
+ 0.077 × 1.000 price stability
= 0.151 → UNRATED: 4 of 30 paid calls weights 2026.09.6 · 4 samples · seed cap_01M1A51Q2ZS3Q254VGQNYXBPAP|2026-07-05T14:54:35.249Z|2026.09.6
Verify it yourself
npx teppi-check https://agent402.tools/api/bestsellers?days=30&limit=10&sort=buyerscurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51Q2ZS3Q254VGQNYXBPAP