SibFly

● healthy data-social-apis

Measured ground-motion (subsidence & uplift) data for any US address, in mm/year from NASA OPERA Sentinel-1 InSAR — for AI agents assessing property, infrastructure, and climate risk. One report per call, $0.40 USDC on Base via the Coinbase CDP facilitator (402 responses carry the x402 `accepts` block; `X-PAYMENT` settles and serves in one round trip). Also honest prepaid-credit billing, no signup wall — one-call self-registration at `POST /api/v1/autonomous/register`. Hosted MCP server (9 tools), OpenAPI, and llms.txt. ([MCP](https://sibfly.com/mcp)) ([OpenAPI](https://sibfly.com/openapi.json)) ([llms.txt](https://sibfly.com/llms.txt))

Quality grade

How grading works

C+ 56.7 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 200)

Payability 16.7 / 20

✓ Answers a real HTTP 402 challenge
✗ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 0.0 / 40

0 distinct payers, 0 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 6 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 -X POST https://sibfly.com

Listed in

Directories this entry was found in.

awesome-x402