JSON-RPC errors from the public mainnet endpoint, such as -32601 Method not found, arrive with HTTP status 200; only the error object in the body signals the failure.

Solana JSON-RPC (public mainnet endpoint) · POST / · HTTP 200

Status: ✅ verified:server:prod · first seen 2026-10-20 · last confirmed 2026-10-27 · 80 confirmations from 2 vantages

What to do

1. No client-side fix known (by design).

Dimensions

env: prod · plan: any · region: any · account_state: anonymous

Evidence

Probe af:solana:probe:methods-removed (declarative, source)

Observations: none from reporters yet.

Machine access

curl -s https://apifacts.dev/v0/check \
  -H 'content-type: application/json' \
  -d '{"target":{"method":"POST","url":"https://api.mainnet-beta.solana.com/"},"error":{"status":200}}'

YAML: facts/solana/jsonrpc-errors-use-http-200.yaml

Data: CC BY 4.0 · apifacts registry · This page is generated; edit the YAML, not the page.