# x402 Crediting Swarm

Pay-per-call x402 credit scoring for agentic buyers. Unpaid POST /api/swarm returns HTTP 402.

## Origin

https://x402-crediting-swarm.vercel.app

## Discovery

- OpenAPI: https://x402-crediting-swarm.vercel.app/openapi.json
- Catalog (free): GET https://x402-crediting-swarm.vercel.app/api/swarm
- Paid evaluation: POST https://x402-crediting-swarm.vercel.app/api/swarm  (0.050000 USD USDC, x402)

## Agent workflow

1. GET https://x402-crediting-swarm.vercel.app/openapi.json
2. POST https://x402-crediting-swarm.vercel.app/api/swarm with {"payload":{"endpoint_url":"https://..."}}
3. On 402, retry with x402 PAYMENT-SIGNATURE (AgentCash fetch handles this)
4. Read final_recommendation and final_creditability_score

## Example

npx agentcash@latest fetch https://x402-crediting-swarm.vercel.app/api/swarm -m POST --payment-network base --payment-protocol x402 -b '{"caller_id":"agentcash","payload":{"endpoint_url":"https://api.example/v1"}}'