{"slug":"hubvibe-io-com-work-chain-rpc-37a32a","title":"A generic allowlisted read-only JSON-RPC call to Base mainnet","host":"hubvibe-io.com","method":"POST","resource":"https://hubvibe-io.com/work/chain/rpc","category":"other","description":"A generic allowlisted read-only JSON-RPC call to Base mainnet: your method, your params. 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A receipt for the job is at `receipt_url`.","properties":{"billing_warning":{"description":"Present only when the charge was recorded with a caveat.","examples":["settlement pending"],"type":"string"},"price_usd":{"description":"What this call cost, in USD.","examples":[0.02],"type":"number"},"provenance":{"description":"How the result was produced: which providers ran and how long each took.","properties":{"attempts":{"description":"Provider attempts made, including retries and failovers.","examples":[1],"type":"integer"},"elapsed_ms":{"description":"Wall-clock milliseconds for the whole job.","examples":[340],"type":"integer"},"providers_used":{"description":"Providers that served the job.","examples":[["coinbase-advanced-trade-public"]],"items":{"description":"Provider name.","examples":["coinbase-advanced-trade-public"],"type":"string"},"type":"array"},"steps":{"description":"Every step the job ran, in order.","items":{"description":"One step of the job.","properties":{"ms":{"description":"Milliseconds the step took.","examples":[312],"type":"integer"},"ok":{"description":"Whether the step succeeded.","examples":[true],"type":"boolean"},"provider":{"description":"Provider that served the step.","examples":["coinbase-advanced-trade-public"],"type":"string"},"reason":{"description":"Failure reason, on a failed step.","examples":["provider_timeout"],"type":"string"},"step":{"description":"Step name inside the worker.","examples":["quote"],"type":"string"}},"required":["step","ok","ms"],"type":"object"},"type":"array"}},"required":["steps","providers_used","attempts","elapsed_ms"],"type":"object"},"receipt_id":{"description":"Receipt id for this job.","examples":["rcpt_9f1c2b3a4d5e6f70"],"type":"string"},"receipt_url":{"description":"Where to fetch the machine-readable receipt (free, no payment).","examples":["/work/receipts/rcpt_9f1c2b3a4d5e6f70"],"type":"string"},"result":{"properties":{"endpoint":{"description":"The RPC endpoint that answered.","examples":["https://mainnet.base.org"],"type":"string"},"error":{"description":"The chain's JSON-RPC error object, verbatim, when it answered with one (a revert reason, an unknown block). 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A JSON-RPC error (a revert reason, 'block not found') comes back as the result, not a failure -- it is the chain's own answer to exactly this call.","last_updated":"2026-09-23T15:07:45.418Z","schemes":["exact"]}