{"schema_version":"1.0","service":"Satelink RPC Gateway","description":"DePIN RPC gateway: machines pay USDT on Polygon to call blockchain RPC APIs. Fully autonomous onboarding — no email, no dashboard, no human.","chain":{"name":"Polygon PoS Mainnet","chain_id":137},"pricing":{"price_per_call_usdt":0.00003,"details":"https://rpc.satelink.network/v1/pricing"},"payment":{"token":"USDT","token_address":"0xc2132D05D31c914a87C6611C10748AEb04B58e8F","vault_address":"0x577D3716d6Ad5b676d230f5409deF9838FABaCEF","chain_id":137,"minimum_deposit_usdt":0.5,"confirmations_required":25},"onboarding":{"register":{"method":"POST","url":"https://rpc.satelink.network/v1/machine/register","body":{"wallet_address":"0x<your-funding-wallet>","signature":"personal_sign of \"satelink:register:<lowercase wallet_address>\""},"returns":"api_key (X-API-Key header for all RPC calls)"},"fund":{"calldata":"https://rpc.satelink.network/credits/deposit/initiate?amount=<usdt>","auto_credit":"deposits from the registered wallet are credited automatically after 25 confirmations","claim":"https://rpc.satelink.network/api/keys/deposit","notify":"https://rpc.satelink.network/api/deposit/notify"},"consume":{"rpc":"https://rpc.satelink.network/rpc/{chain}","auth_header":"X-API-Key","example":"curl -X POST https://rpc.satelink.network/rpc/polygon -H \"X-API-Key: sk_...\" -H \"Content-Type: application/json\" -d '{\"jsonrpc\":\"2.0\",\"method\":\"eth_blockNumber\",\"params\":[],\"id\":1}'"},"observe":{"balance":"https://rpc.satelink.network/api/keys/usage (X-API-Key header)","deposits":"https://rpc.satelink.network/api/keys/deposits (X-API-Key header)"}},"errors":{"402":"Credits exhausted — body contains payment.vault_address, token_address, chain_id, and this manifest URL.","429":"Tier daily limit reached — deposit more or wait for the UTC midnight reset."},"openapi":"https://rpc.satelink.network/openapi.json","pricing_url":"https://rpc.satelink.network/v1/pricing","manifest_url":"https://rpc.satelink.network/.well-known/satelink.json","compare_url":"https://rpc.satelink.network/v1/compare","capabilities_url":"https://rpc.satelink.network/v1/capabilities"}