Kallipolis

Proof

Evidence infrastructure for autonomous agents

Know what an agent is before you trust what it does.

Resolve domains, protocols, agents, and onchain identities into source-linked evidence. One deterministic response for discovery, routing, and risk decisions.

Launching a paid API? Request a pilot scope review

Need a report checked, data reviewed or software vendors compared? Explore research and data services or see a report evidence sample.

Try

The free lookup uses a curated reference index, not a live security audit. Pilot service enquiries are separate from API credits.

Sources

Linked

Output

JSON

Settlement

USDC

Evidence will appear here

Run a resolution to inspect identity claims, active capabilities, linked sources, and material warnings.

One request. Auditable result.

Built to be called by software.

Start with a one-cent live check, then request the complete evidence bundle when the decision warrants it. Both settle directly in Base USDC through x402.

Pilot $0Quick check $0.01Deep resolve $0.20
POST /api/v1/deep-resolve
content-type: application/json

{
  "query": "platoskallipolis.com"
}

Prepaid API access

API credits and payment terms.

PayAPI Market has independently verified one USD 0.01 Base USDC quick-resolve settlement and product response. The prepaid purchase flow is separate and has not been independently verified. Service pilots use a separate no-payment enquiry process.

Builder

$19

100 calls · $0.19 / call

View machine purchase endpoint

Growth

Best value

$199

2,500 calls · $0.080 / call

View machine purchase endpoint

Scale

$999

20,000 calls · $0.050 / call

View machine purchase endpoint
Machine purchase: send {"plan":"growth"} to POST /api/v1/purchase. The first response contains the x402 payment requirement; successful settlement returns the prepaid key.