{"service":"bay-run","summary":"The bounded OAuth demo is free. Agents can pay per call with x402, or a human can buy prepaid Stripe credits for a private OAuth agent account. No subscription is required.","tiers":[{"name":"demo (free)","price":"free","how":"Mint a bearer token and send 'Authorization: Bearer <token>' on /v1/* and /mcp tools/call. Or obtain one via OAuth discovery.","token_mint":"https://run.huggingbay.xyz/oauth/token","oauth":"https://run.huggingbay.xyz/.well-known/oauth-protected-resource","limits":{"per_minute_per_ip":20,"per_day_per_ip":100}},{"name":"x402 pay-per-call (mainnet)","price_usd_per_call":0.005,"network":"eip155:8453","asset":"USDC","settlement_ready":true,"how":"POST /x402/chat/completions with no token; decode PAYMENT-REQUIRED, sign the accepted x402 v2 payment, then retry with PAYMENT-SIGNATURE. A successful paid response includes PAYMENT-RESPONSE and x-bay-run-payment-receipt.","discovery":"https://run.huggingbay.xyz/.well-known/x402","buyer_recipes":"https://run.huggingbay.xyz/.well-known/x402/recipes","note":"Settlement and durable replay-safe receipts are live."},{"name":"Stripe prepaid credits (live)","checkout_ready":true,"packs":[{"code":"starter_1000","amount_minor":500,"currency":"usd","credit_units":1000},{"code":"builder_5000","amount_minor":2000,"currency":"usd","credit_units":5000}],"credit_unit":"one successful /v1/credits/chat/completions call","how":"Register a durable client_secret_post OAuth machine client, exchange its client_id/client_secret for an access token, then POST a server-defined pack_code to /v1/billing/stripe/checkout-session with Authorization and Idempotency-Key, complete the returned Checkout URL, then call the credit-funded endpoint with the same OAuth token and a new Idempotency-Key per logical request.","checkout_endpoint":"https://run.huggingbay.xyz/v1/billing/stripe/checkout-session","balance_endpoint":"https://run.huggingbay.xyz/v1/billing/balance","usage_endpoint":"https://run.huggingbay.xyz/v1/billing/usage","paid_endpoint":"https://run.huggingbay.xyz/v1/credits/chat/completions","note":"Live Stripe Checkout and durable credits are ready."}],"operator_note":"MCP discovery is free. MCP tools still use the bounded OAuth/Bearer demo. Paid traffic is deliberately explicit on the x402 and Stripe-credit REST twins."}