Optimism
Optimism
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O plano gratuito cobre projetos pessoais. O pay-as-you-go escala sem cartão de crédito.
Optimism
O plano gratuito cobre projetos pessoais. O pay-as-you-go escala sem cartão de crédito.
curl is the fastest way to poke at OP Mainnet without pulling in an SDK — ideal for sanity-checking your endpoint, debugging a malformed payload, or scripting a quick query in a shell or CI job. Every JSON-RPC call is an HTTP POST carrying a Content-Type: application/json header and a JSON body. Your API key lives in the URL path: https://optimism.therpc.io/YOUR_API_KEY. Since OP Mainnet is EVM-equivalent (chain ID 10), the same eth_* methods you would use on Ethereum L1 work here.
There are two ways to authenticate against OP Mainnet: put the key directly in the URL path (https://optimism.therpc.io/YOUR_API_KEY), or send it as a Bearer token in the Authorization header. Either way, the request itself must be an HTTP POST with Content-Type: application/json — JSON-RPC does not accept GET.