The headline number on an RPC provider's free tier is the least useful thing on the page. Two providers advertising the same monthly allowance can differ by an order of magnitude in how much of your actual workload they serve, because the allowance is consumed...

Adding a second RPC endpoint does not give you redundancy. It gives you a second endpoint. Whether that translates into availability depends entirely on how failures are classified: which ones move a request to another target, which ones are final, and which ones look like...

If your application is getting rate limited on RPC calls, the fix is almost never "retry harder." Persistent limiting means your request volume exceeds what your plan or your gateway will admit, and the only durable responses are to send fewer requests or to raise...