Endpoint · searchGETapi.kadec0.xyz /v1/serp-multi ?engines=yahoo%2Cyandex&q=best+vector+database+2026
Multi-engine web search (metasearch).
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Multi-engine web search (metasearch). One search query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion: consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.kadec0.xyz/v1/serp-multi?engines=yahoo%2Cyandex&q=best+vector+database+2026
MCP server on this host: xyz.kadec0/web-search-data-api
Seen
first 34 days ago · last 11 hr ago
72 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.743 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.257: 0.195 uncertain ? + 0.062 short ? · 0.057 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.69 | 0.000 | 0.000 | −0.062 | −0.138 | |
| liveness it answered at all |
0.60 | 1.00 | 0.905 | 0.543 | 0 | −0.057 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.743 | gap to 1.000 = 0.257 · 0.062 short · 0.195 uncertain | 0.743 | −0.062 | −0.195 |
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 × 0.905 liveness
+ 0.200 × 1.000 price stability
= 0.743 → UNRATED: 65 of 30 paid calls weights 2026.09.6 · 65 samples · seed cap_01M1A51RK1QK8RACEE2M02P481|2026-09-02T19:30:39.175Z|2026.09.6
Verify it yourself
npx teppi-check https://api.kadec0.xyz/v1/serp-multi?engines=yahoo%2Cyandex&q=best+vector+database+2026curl -s https://api.teppi.xyz/v1/trust/cap_01M1A51RK1QK8RACEE2M02P481