BuiltWith
https://api.builtwith.com/mcp
● down
a2a-agent
BuiltWith is a website technology intelligence agent. It identifies the technology stack, relationships, trends, products, traffic, trust signals, financial and social profiles, keywords, and metadata for any website, and can list and rank the websites that use a given technology.
Category
a2a-agent
Chains
base
Price
—
Quality grade
How grading works
D
35.6 / 100
capped at D while down
Availability
0.0 / 40
Endpoint did not respond
Payability
18.7 / 20
- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✗ Price declared
Demand
17.0 / 40
13 distinct payers, 107 USDC transfers in the last 30 days
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 19 h ago.
On-chain activity last read 11 d ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://api.builtwith.com/mcp # expect HTTP 402 Payment Required (price advertised in the 402 response)
/.well-known/x402.json
https://api.builtwith.com/.well-known/x402
Listed in
Directories this entry was found in.
a2a