What an RPC is, why yours is failing, and when to run a node.
Moving btc between chains without wrapped tokens — the full guide to this subject.
The "invalid JSON RPC response" error means your client received data from an RPC endpoint that it could no...
Monitor RPC endpoint latency and health by sending regular, low-cost JSON-RPC calls from a server in the sa...
A private RPC endpoint is an exclusive JSON-RPC gateway that only you or your application can use, as oppos...
The choice depends on what you need from the connection. Use HTTP for single requests that return a respons...
Your RPC request returns an empty response because the node you are querying either does not have the reque...
A "connection refused" error on an RPC endpoint means your wallet, dApp, or script tried to reach the RPC s...
When an RPC endpoint runs out of compute units, every request you send to it fails with an error indicating...
An RPC endpoint URL is a web address your wallet or dApp sends requests to when it needs to read blockchain...
Yes, you can use the Lightning Network to swap Bitcoin without waiting for on-chain confirmations, but only...
A non-custodial Bitcoin swap never requires you to hand over your private keys. Instead, the exchange happe...
Your swap will stall. The exchange will not see your Bitcoin arrive in time, if at all. The transaction sit...
Swapping native Bitcoin means you send actual BTC from the Bitcoin blockchain and receive another asset in ...
Use the exact address type the swap service displays in its payment instructions. If it shows a legacy (P2P...
Bitcoin swap fees rise during mempool congestion because every on-chain Bitcoin transaction must compete fo...
Bitcoin swaps take longer because Bitcoin's block time is roughly ten minutes, while most other chains prod...
The Bitcoin amount you receive differs from the quoted amount because the quoted price is a snapshot taken ...
Chainlist is a convenient tool that aggregates RPC endpoint URLs for hundreds of blockchains. You paste a c...
A common misunderstanding about Ethereum RPC is that `eth_call` costs gas. It does not. This is a read-only...
A widespread misconception holds that you need an archive node for almost anything. It is not true. Most qu...
The choice of execution client is not abstract. It determines how much disk space you need, how fast your n...
A single RPC provider is a single point of failure. If that provider goes down, rates you, or starts servin...
A Remote Procedure Call, or RPC, is a way for one program to ask another program to run a function and retu...
You are building a dapp and your RPC calls return a 403 Forbidden error. This is common when using provider...
A 429 status code means your application has exceeded the rate limit set by an RPC provider. This happens f...
If you have built an event indexer on Ethereum, you have hit this wall. You send an `eth_getLogs` request a...
You send a transaction. It fails. The only message you get back is "execution reverted." No reason string. ...
You call a method. The RPC endpoint replies with an error: the method does not exist. This is not a bug. It...
You're about to send a transaction. MetaMask spins. Nothing happens. Then you see it: "nonce too low." The ...
Send exactly to:
This asset needs a memo / tag. Send it with or the exchanger cannot credit your deposit.
You receive about at . Exchange reference .
Status: waiting for your deposit
You send from your own wallet straight to the exchanger — nothing to connect, no account, and you stay on this page throughout. Rates are indicative until a swap is opened.
The swap is carried out by an independent exchanger and the deposit address above is theirs. starname.me never holds, receives or controls your funds, has no key to that address, and earns a referral commission. Opening a swap sends your receiving address, IP, browser and timezone to the exchanger for their compliance checks; we store none of it. Check their terms, fees and country restrictions before sending anything.
The "invalid JSON RPC response" error means your client received data from an RPC endpoint that it could not parse as a properly formed JSON-RPC message. The fix is usually on the endpoint side: the node is misconfigured, overloaded, or returning something that is not a valid RPC response. You canno
Monitor RPC endpoint latency and health by sending regular, low-cost JSON-RPC calls from a server in the same region as your application, tracking response times and error codes over time, and setting alerts for thresholds that matter to your specific use case. The goal is to catch problems before t
A private RPC endpoint is an exclusive JSON-RPC gateway that only you or your application can use, as opposed to a public endpoint shared by thousands of other users. You need one when the free public endpoints you rely on start failing - returning 429 rate limits, 403 blocks, or degraded performanc
The choice depends on what you need from the connection. Use HTTP for single requests that return a response and close. Use WebSocket when you need ongoing, real-time data - such as pending transactions, new blocks, or log subscriptions - without polling. If your application only sends occasional qu
Your RPC request returns an empty response because the node you are querying either does not have the requested data, is not fully synced, or has rejected your request without sending an error message. The exact cause depends on the type of request, the node's configuration, and the blockchain state
A "connection refused" error on an RPC endpoint means your wallet, dApp, or script tried to reach the RPC server, but the server actively rejected the connection attempt. This is different from a timeout (no response) or a 403/429 (permission or rate-limit block). The fix depends on whether you are
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Your trade happens inside the exchange's own ledger. Nothing touches the blockchain until you withdraw.
You swap from your own wallet. The transaction settles on the chain and you pay its fee.
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