3 posts.
Public endpoints, provider free tiers, keyless access — 'free RPC' covers four very different deals with very different failure modes. A field guide to the real limits, from someone who operates against all of them.
Read →Solana's high block rate makes RPC rate limiting a constant production concern — 429s show up under load and break bots, indexers, and frontends. Here's why they happen, how to handle them with backoff and batching, and how to size your endpoint so they stop happening at all.
Read →Every RPC provider limits you, but they don't agree on what a limit even is. One caps requests per second, another meters compute units, a third deducts API credits. Here's how the three models work, why the same workload costs differently on each, and how to estimate your own number.
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