Superhighway — web search for AI agents
externalWeb search built for AI agents. Search the live web, pull recent news, and read any page as clean markdown — pay per call, free tier to start.
Price
from $0.0010
up to $0.0020 per request
Network
base
Category
ai
On-chain txns
37
Uptime
100%
Avg latency
511ms
Checks
29
Status
Healthy
Base URL
Endpoints (21)
Discovered from on-chain x402 payment activity. Prices shown are per-call in USDC.
Base64 encode/decode for AI agents — encode text → base64 (standard or url-safe), or decode base64 → text. Pay-per-call in USDC via x402 — no signup, no API key. Use for data URIs, transporting/embedding text, and decoding tokens or blobs mid-pipeline.
String case conversion for AI agents — give text → every case form (camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, slug, Title Case, Sentence case, upper, lower). Pay-per-call in USDC via x402 — no signup, no API key. Use for code generation (variable/field names), slugs, and normalizing identifiers.
Color conversion for AI agents — give a color as hex, rgb(), hsl(), or a CSS name → every representation (hex, rgb, hsl) plus the matching/nearest CSS color name. Pay-per-call in USDC via x402 — no signup, no API key. Use for theming, design/UI generation, and normalizing colors.
Format conversion for AI agents — convert between csv↔json, markdown→html, and html→markdown/text. Pay-per-call in USDC via x402 — no signup, no API key. Use as glue between pipeline steps so an agent can transform data formats on the fly.
Text diff for AI agents — give two texts (a, b) → the added/removed lines, counts, and a unified-diff string. Pure local line diff. Pay-per-call in USDC via x402 — no signup, no API key. Use to compare versions, outputs, configs, or before/after content.
DNS lookup for AI agents — give a hostname (+ optional record type A/AAAA/MX/TXT/NS/CNAME/SOA) → its DNS records as JSON, resolved via public resolvers. Pay-per-call in USDC via x402 — no signup, no API key. Use for domain research, mail-deliverability (MX), SPF/DKIM/DMARC (TXT), and verifying where a name points.
Email verification for AI agents — checks syntax, whether the domain accepts mail (MX), and flags disposable and role addresses, returning deliverable/risky/undeliverable. Pay-per-call in USDC via x402 — no signup, no API key. Use to clean lists and qualify contacts before sending outreach.
Parse an RSS or Atom feed for AI agents — give a feed URL, get back the title and recent items (title, link, date, snippet) as clean JSON. Pay-per-call in USDC via x402 — no signup, no API key. Use to monitor news, blogs, changelogs, and releases without holding state.
Currency conversion + exchange rates for AI agents — give from, to, and an optional amount → the converted value at the latest ECB reference rate; or give just a base → all its latest rates. Pay-per-call in USDC via x402 — no signup, no API key. Use to price, convert, and reason about money across currencies mid-task.
Geocoding for AI agents. Forward: an address/place → latitude, longitude, and full structured address. Reverse: lat/lon → the address at that point. Pay-per-call in USDC via x402 — no signup, no API key. Use to resolve locations, map places, and add coordinates.
Hashing for AI agents — give text + an algorithm (md5/sha1/sha256/sha384/sha512) and encoding (hex/base64/base64url) → the digest. Pay-per-call in USDC via x402 — no signup, no API key. Use for content-addressing, dedup and cache/ETag keys, and integrity checks mid-pipeline.
JWT decode for AI agents — give a JSON Web Token → its decoded header + payload (claims) with human-readable iat/exp/nbf times and an expiry flag. Decodes only (does NOT verify the signature). Pay-per-call in USDC via x402 — no signup, no API key. Use to inspect token claims, scopes, and expiry.
Real-time news search for AI agents. Returns recent news articles (title, link, snippet, published date) as JSON from a multi-engine news metasearch. Pay-per-query in USDC via x402 — no signup, no API key. Use for current events, breaking news, monitoring, and time-sensitive facts.
Local text analysis for AI agents — language detection, sentiment, keyword extraction, and an extractive summary, all from one call (no LLM round-trip). Pay-per-call in USDC via x402 — no signup, no API key. Use to triage/classify/summarize text cheaply mid-loop.
Generate a QR code for AI agents — give text or a URL, get back a QR image as an SVG string or a PNG data-URI. Pay-per-call in USDC via x402 — no signup, no API key. Use to embed scannable codes in generated content, tickets, or links.
Read any web page as clean text + markdown for AI agents. Give a URL, get back the page title, readable markdown, and plain text — the readable content extracted from the HTML. Pay-per-call in USDC via x402 — no signup, no API key. Use for letting an agent read pages, fetch articles/docs it can't access, scrape content, and feed RAG.
Real-time web search API for AI agents. Returns ranked organic results (title, link, snippet) as JSON from a resilient multi-engine metasearch (Bing, Brave, DuckDuckGo, Wikipedia, Mojeek). Pay-per-query in USDC via x402 — no signup, no API key, no rate limits. Built for agent grounding, research, RAG, fact-checking, and fresh real-world information.
Fetch a website's sitemap for AI agents — give a sitemap URL or a site root, get back the list of page URLs as JSON (handles sitemap indexes too). Pay-per-call in USDC via x402 — no signup, no API key. Use to map a site's pages before crawling, auditing, or deep research.
Text statistics for AI agents — give text → character/word/sentence/line/paragraph counts, reading and speaking time, and averages. Pure local. Pay-per-call in USDC via x402 — no signup, no API key. Use for length checks, reading-time estimates, SEO/tweet limits, and summary-vs-source ratios.
Link preview / URL metadata for AI agents — give a URL, get back the structured card: title, description, hero image, site name, canonical URL, favicon, and type (OpenGraph → Twitter Card → standard meta). Pay-per-call in USDC via x402 — no signup, no API key. Use to unfurl links, render previews, and enrich URLs without downloading the whole page.
UUID generation for AI agents — get one or many (count, 1–100) RFC-4122 v4 UUIDs. Pure local. Pay-per-call in USDC via x402 — no signup, no API key. Use for record ids, idempotency/correlation keys, and test fixtures.
Payment
How to call
# one-time setup
npx @apihubio/cli register
npx @apihubio/cli topup 10
# call it
npx @apihubio/cli call https://superhighway.walls.sh \
-X POST \
-d '{ /* check provider docs for input */ }'
# or save it to Claude/Cursor/Codex
npx @apihubio/cli install
npx @apihubio/cli add https://superhighway.walls.shVia direct x402 (advanced)Bring your own wallet
import { wrapFetchWithPayment } from "@x402/fetch";
import { createWalletClient, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";
import { base } from "viem/chains";
const account = privateKeyToAccount("0xYOUR_PRIVATE_KEY");
const client = createWalletClient({ account, chain: base, transport: http() });
const x402Fetch = wrapFetchWithPayment(client);
const res = await x402Fetch("https://superhighway.walls.sh", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({ /* check provider docs for input */ }),
});
const data = await res.json();This is an external service not operated by APIHub. Listing data is sourced from public on-chain records and third-party indexes. Payment goes directly to the service provider via the x402 protocol. APIHub does not guarantee availability, accuracy, or quality of external services.