Paid API Benchmark Lab

x402 Paid API Benchmarks

This view filters the benchmark lab to x402 endpoints only. It is safe for agents to crawl because the scoring path never signs or settles a payment.

8matching endpoints

91.0average score

8ready or better

0paid settlements

What Ontario offers

A pre-payment evidence layer for agent APIs.

Ontario turns paid API claims into crawlable proof: discovery surfaces, unpaid x402 checks, benchmark scoring, comparisons, and machine-readable datasets.

Discovery surface Agents can inspect the paid API before signing anything.

#1 · x402 x402 Demand Authenticity Report 91/100 · excellent #2 · x402 x402 Code Review 91/100 · excellent #3 · x402 Submit Agent Listing 91/100 · excellent

Compare endpoints Machine endpoint

Benchmark table Open JSON

Rank	Endpoint	Score	Grade	Evidence	Price	Network
#1	x402 Demand Authenticity Report Ontario Protocol · `POST https://ontarioprotocol.com/api/x402/demand-authenticity-report`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.02 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#2	x402 Code Review Ontario Protocol · `POST https://ontarioprotocol.com/api/x402/implementation-audit`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.01 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#3	Submit Agent Listing Ontario Protocol · `POST https://ontarioprotocol.com/api/x402/list-agent`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.10 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#4	Ontario x402 Paid API Preflight Ontario Protocol · `POST https://ontarioprotocol.com/api/agent/pay/v2`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.002 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#5	List a Third-Party x402 Service Ontario Protocol · `POST https://ontarioprotocol.com/api/x402/list-service`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.50 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#6	Agent Trust Scan Ontario Protocol · `POST https://ontarioprotocol.com/api/x402/agent-trust-scan`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.01 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#7	Agent Reputation Lookup Ontario Protocol · `GET https://ontarioprotocol.com/api/x402/reputation/<agent_id>`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.001 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`
#8	Agent Commerce Query Ontario Protocol · `POST https://ontarioprotocol.com/api/agent/pay`	91/100	excellent	x402 25/25 schema 15/15 1 reports	0.002 USDC	`base` `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`

JSON: /api/benchmarks?protocol=x402 Well-known: /.well-known/paid-api-benchmarks.json Methodology: score weights