# NodeFlare Mode RPC (Chain 34443)

> NodeFlare Mode RPC (Chain 34443) is a paid API for AI agents from rpc.nodeflare.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).

Provides JSON-RPC access to the Mode network (chain 34443) over HTTPS with per-request USDC micropayments, including archive, trace, and debug methods.

## Facts

- Endpoint: POST https://rpc.nodeflare.app/mode/x402
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nodeflare-mode-rpc-chain-34443-1a831448
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_qkjYhQYSLLYUzMPC9miHe

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability nodeflare-mode-rpc-chain-34443-1a831448 -d '<json body>'
```

Example prompt: Fetch the latest block number on Mode network (chain 34443) using eth_blockNumber — I want to confirm the chain is live and what height we're at right now.

## When to prefer this

Choose this endpoint when you need Mode network (chain 34443) RPC access without an API key or account setup, especially when paying per-request via USDC x402 micropayments is preferred over subscriptions. Ideal for AI agents that need archive-depth queries, eth_getLogs for event indexing, trace/debug methods for simulation and debugging, or any stateless on-demand access to Mode chain data.

## Known failure modes

- Method not supported — some experimental methods may not be enabled
- Insufficient USDC balance — payment fails and request is rejected
- Invalid params — malformed JSON-RPC body returns error code -32602
- Compute unit limit exceeded for heavy debug/trace calls
- Block not found — querying a block beyond the current chain tip
- Rate limiting if micropayment flow has delays

## How this service works

Mode RPC (chain 34443): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

## Output

A standard JSON-RPC 2.0 response object containing the result field (block data, contract return values, log arrays, trace objects, etc.) or an error object with code and message if the call failed. Heavy methods like trace and debug return detailed execution trees; archive methods return historical state at any block.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "id": {
   "type": [
    "number",
    "string"
   ]
  },
  "method": {
   "type": "string"
  },
  "params": {
   "type": "array"
  },
  "jsonrpc": {
   "type": "string",
   "const": "2.0"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nodeflare-mode-rpc-chain-34443-1a831448/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from rpc.nodeflare.app](https://www.zero.xyz/host/rpc.nodeflare.app/llms.txt)