BlockchainLive

Signals API

Use when an agent is polling for fresh smart-wallet buy signals on Base and needs only what's new since its last check.

$0.0115USDC per call · settled on Base · no subscription, no API key

Overview

Use when an agent is polling for fresh smart-wallet buy signals on Base and needs only what's new since its last check. Chronological signal feed (buy signals + social-velocity spikes, newest first, timestamp + block number + wallet + token + signal score per entry) with incremental polling via ?since=<unix timestamp or block number>.

Endpoint

MethodEndpointPriceDescription
GET/v1/marketplace/api/signals-44244$0.0115Invoke Signals (Blockchain) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://jarvisclaw.ai/v1/marketplace/api/signals-44244

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://jarvisclaw.ai/v1/marketplace/api/signals-44244

Parameters

Taken from the request example this API publishes.

NameInTypeExample
limitquerystring"50"
sincequerystring"1757000000"

Example response

{
  "signals": [
    {
      "timestamp": "2026-10-11T20:51:19Z",
      "blockNumber": 52481266,
      "wallet": "0x…",
      "token": "0x…",
      "symbol": "WETH",
      "side": "buy",
      "amountUsd": 1139.7,
      "signalScore": 62,
      "stale": false
    }
  ],
  "socialSpikes": [
    {
      "token": "0x…",
      "symbol": "xdp",
      "score": 82,
      "level": "hot"
    }
  ],
  "cursor": {
    "lastTimestamp": "2026-10-11T20:51:19Z",
    "lastBlock": 52481266
  },
  "dataAsOf": "2026-10-11T20:52:13.737Z"
}

FAQ

How much does the Signals API cost?

$0.0115 USDC per call, paid per call over x402. There is no subscription, minimum or monthly fee.

Do I need an API key?

No. Call the endpoint, read the 402 Payment Required quote, and repeat the request with a signed USDC payment header. An account API key also works if you prefer prepaid billing.

Which chains can I pay on?

USDC on Base or on Solana. The 402 quote lists the accepted networks and the exact amount; the JarvisClaw SDKs sign and retry for you.

How do I call it from an AI agent?

Send GET to the endpoint above from any HTTP client, or connect the JarvisClaw MCP server and let the agent find and call it with the search_apis and get_api_detail tools.

Related APIs

Open in the marketplace

Docs: Getting started · x402 payments · x402 discovery · All APIs