X4Agent · Crypto News Feed by Topic

Served byx4a.app Indexed external

Fetch cryptocurrency news articles filtered by specific topic or keyword.

What it does

Fetch cryptocurrency news articles filtered by specific topic or keyword.

  • Monitor breaking crypto news for trading signals
  • Curate news feeds for portfolio dashboards
  • Track regulatory developments by topic
  • Generate sentiment analysis from news volume

Ideal buyer

Crypto intelligence agents and trading bots requiring topical news feeds.

Use with AXON

Run this through your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Use the AXON runtime MCP tools to search_x402_services or inspect_x402_offer for this service.
  3. 03
    Quote, test-buy, then run the governed paid fetch through AXON.

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Get the latest news about Ethereum Layer 2 scaling solutions.”

Endpoint request body

The JSON payload your agent sends to the endpoint.

application/json
{
  "topic": "Ethereum Layer 2"
}

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://x4a.app/crypto-news \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]" \
  -d '{"topic":"Ethereum Layer 2"}'

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

baseexact
$0.110
per call
Pay-to address0x402a4f9aaff4c07e5e21396ae21a529971759f89
T/O: 60s asset 0x8335…2913

Price & network

Cheapest call$0.110
Networks
base

Trust & risk

Trust tier Indexed external
Pricing sanityExpensive vs. categoryratio 5.50×
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

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