Live x402 endpoints on Base + Sui

Research infrastructure
built for autonomous agents.

Search the web, crawl pages, map local businesses, research public social data, and retrieve App Store reviews. Pay only when your agent calls—no subscription, API key, or account required.

6 focused APIsUseful agent primitives
$0.01–$0.04Fixed price per call
3 live channelsUSDC on Base + Sui
Bounded outputsPredictable scope and cost
Service catalog

Small, composable tools with transparent pricing.

Each endpoint returns structured JSON and enforces a hard result limit, so agents can plan spend before they call. All six are live through Bankr on Base and t2000 on Sui; five are also available through RelAI on Base.

$0.01 / call

Google Search

Up to 20 structured results for current-source research, citations, RAG, and competitor monitoring.

POST /search/google
$0.04 / call

Web Crawl to Markdown

Crawl up to 10 public pages into clean, Markdown-oriented content for ingestion and summarization.

POST /web/crawl
$0.03 / call

Google Maps Businesses

Find up to 10 public businesses for local lead discovery, market mapping, and vendor research.

POST /maps/search
$0.02 / call

Instagram Research

Bounded public profile, post, reel, mention, or comment data for creator and brand research.

POST /social/instagram
$0.03 / call

YouTube Research

Search up to 10 public videos and channels for content research, creators, competitors, and trends.

POST /social/youtube
$0.02 / call

App Store Reviews

Retrieve up to 100 recent public reviews from one country storefront for ASO, product research, competitor monitoring, and feedback analysis.

POST /app-store-reviews · Base + Sui
Native machine payments

HTTP becomes the checkout.

01
Send a normal requestYour agent posts JSON to a service endpoint.
02
Receive payment termsThe API returns HTTP 402 with the exact USDC requirement.
03
Sign and retryAn x402 client pays USDC on Base or Sui and automatically repeats the request.
04
Use the JSON resultNo account creation, subscription, or long-lived API credential.
JavaScript · Base x402 client
// npm i @relai-fi/x402
import { createX402Client } from "@relai-fi/x402/client";

const client = createX402Client({
  wallets: { evm: wallet },
  preferredNetwork: "base",
  maxAmountAtomic: "40000"
});

const response = await client.fetch(
  "https://api.relai.fi/relay/1787408688097/search/google",
  {
    method: "POST",
    headers: { "content-type": "application/json" },
    body: JSON.stringify({ query: "agent payment APIs", limit: 10 })
  }
);

const results = await response.json();
Ready for agents

Start with one paid request.

Choose Bankr or RelAI on Base, or t2000 on Sui, set a spend cap, and call the endpoint you need. All six fixed prices and each service's available channel are published before payment.