mppfy

Pay-per-call HTTP APIs
for AI agents.

We ship endpoints that agents discover, pay, and consume without ever signing up. Every API speaks both x402 (Base USDC) and MPP (Tempo USDC) — any agent SDK works out of the box.

Try C2PA Verify → View on GitHub

Live Products

HTTP API · MIT licensed
C2PA Verify live

Validate C2PA content provenance manifests against the CAI trust list. Signed content from Adobe, Microsoft, BBC, Sony, and OpenAI-compatible pipelines, classified as valid / partial / unknown. $0.01 USDC per call.

c2pa.mppfy.com Source OpenAPI First settlement

Try It

Trigger the 402 challenge — no wallet required:

curl -i -X POST https://c2pa.mppfy.com/verify \
  -H 'x-payment-protocol: x402' \
  -d '{"url":"https://example.com/signed.jpg"}'

Response includes full x402 payment requirements (Base USDC, $0.01) plus an MPP challenge. Your agent's payment SDK handles the rest.

Next

What agent-payable API is missing from your stack? Ping @mppfy or open an issue on GitHub.