# SperaxOS Internal Transactions Summary

> SperaxOS Internal Transactions Summary is a paid API for AI agents from chat.sperax.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-20).

Returns an AI-powered summary of internal transactions (contract-to-contract calls) for a given wallet or contract address on a specified blockchain

## Facts

- Endpoint: POST https://chat.sperax.io/api/x402/tools/internal-txs/getInternalTxsSummary?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-20
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/speraxos-internal-transactions-summary-9f1fa60a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sUqAnBSyD-vLQGlAD6jp3

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 speraxos-internal-transactions-summary-9f1fa60a -d '<json body>'
```

Example prompt: Give me an AI-powered summary of all internal transactions for the Ethereum address 0xAbC123... — I want to understand what contracts it's been interacting with and any notable patterns.

## When to prefer this

Choose this endpoint when you need an AI-interpreted, human-readable summary of internal blockchain transactions (contract-to-contract calls) for a specific address, rather than raw transaction lists. It is especially useful for DeFi analysis, smart contract auditing, or wallet activity understanding without needing an API key — paying per request via USDC on Base.

## Known failure modes

- Invalid or malformed address returns an error
- Unsupported chain name returns an error or empty result
- Address with no internal transaction history returns empty summary
- Payment failure via x402 results in 402 response blocking the call
- Network or RPC errors for the specified chain may cause timeouts

## How this service works

AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.

## Output

An AI-generated summary of internal transactions (contract-to-contract calls) associated with the given address on the specified chain, including aggregated insights, patterns, and notable interactions between contracts.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "chain": {
   "type": "string",
   "default": "ethereum",
   "description": "Chain"
  },
  "address": {
   "type": "string",
   "description": "Wallet or contract address"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/speraxos-internal-transactions-summary-9f1fa60a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from chat.sperax.io](https://www.zero.xyz/host/chat.sperax.io/llms.txt)