Endpoint · computePOSTapi.delx.ai /api/v1/x402/is-prime
Primality check.
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Primality check. Call for teaching demos, ID heuristics, or lightweight number filters (bounded integers). Returns whether n is prime with a clear boolean field. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.delx.ai/api/v1/x402/is-prime
MCP server on this host: io.github.davidmosiah/delx-mcp-a2a
Seen
first 35 days ago · last 15 hr ago
39 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Solana, Tempo USDC.e
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.685 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.315: 0.115 uncertain ? + 0.200 short ? · 0.115 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.808 | 0.485 | 0 | −0.115 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.685 | gap to 1.000 = 0.315 · 0.200 short · 0.115 uncertain | 0.685 | −0.200 | −0.115 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.808 liveness
+ 0.200 × 1.000 price stability
= 0.685 → UNRATED: 32 of 30 paid calls weights 2026.09.6 · 32 samples · seed cap_01M1A5A9NW23AF857P8TG5ARCV|2026-09-03T05:28:40.764Z|2026.09.6
Verify it yourself
npx teppi-check https://api.delx.ai/api/v1/x402/is-primecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A9NW23AF857P8TG5ARCV