These constants in the codebase should be configurable:

• Event-server post body size limit

  stacks-blockchain-api/src/event-stream/event-server.ts

  Line 931 in 3d7f7b7

  const bodyLimit = 1_000_000 * 500; // 500MB body limit

• RPC proxy post body size limit

  stacks-blockchain-api/src/api/routes/core-node-rpc-proxy.ts

  Line 111 in 3d7f7b7

  const maxBodySize = 10_000_000; // 10 MB max POST body size