# APISphere

> APIs for AI Agents — pay-per-call, no signup required.

## API Products

- [crypto-price](https://apisphere.us.ci/api/v1/crypto-price): $0.001 USDC/call
- [geocode](https://apisphere.us.ci/api/v1/geocode): $0.001 USDC/call

## Payment

All APIs use x402 protocol. Pay with USDC on Base network.

## Session Memory

Include `X-Session-Id` header to maintain context across calls.

## Documentation

- OpenAPI: https://apisphere.us.ci/openapi.json
- Agent Card: https://apisphere.us.ci/.well-known/agents.json