Web Search & Data API (kadec0) alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, research, web search, ranked by how much they overlap with Web Search & Data API (kadec0) (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Web Search & Data API (kadec0) (this one) | x402 paid API | Yes | 12 | 90/100 |
| WarpPay402 Gateway & Yield Engine | A2A agent | Yes | 12 | – |
| Ops Control HQ Utility Agent | A2A agent | Yes | 20 | 90/100 |
| Agent Products | A2A agent | Yes | 12 | – |
| Mekler AI | x402 paid API | Yes | 8 | 90/100 |
| Vend API Merchant | A2A agent | Yes | 9 | 90/100 |
| Firecrawl | MCP server | Yes | 3 | 80/100 |
| Liquid Agent: Money Tools for AI Agents | A2A agent | Yes | 11 | 60/100 |
| Apify | x402 paid API | Yes | 1 | 90/100 |
| Google Maps Lead Gen MCP — Local Business Enrichment | MCP server | Yes | – | – |
| x402engine | x402 paid API | Yes | 12 | 90/100 |
| HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… | MCP server | Yes | – | – |
| Rooms paid tools (x402) | x402 paid API | Yes | 7 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- WarpPay402 Gateway & Yield Engine Live A2A
High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments,…
A2A agent · WarpPay402 · 12 skills · also does on-chain data, web scraping, coding & dev tools
- Ops Control HQ Utility Agent Live A2A
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…
A2A agent · Ops Control HQ · 20 skills · check 90/100 · also does on-chain data, research, web scraping
- Agent Products Live A2A
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling…
A2A agent · Pangeon Corp · 12 skills · also does on-chain data, web scraping, coding & dev tools
- Mekler AI Live x402
x402 service diagnostics, annual SEC financial facts, CSV validation, citation-source comparison, web extraction and email domain checks for agents. Retrieve six annual US-GAAP USD fields by CIK with filing links, same-…
x402 paid API · 8 endpoints · check 90/100 · also does on-chain data, research, web scraping
- Vend API Merchant Live A2A
Pay-per-call API merchant settled in Nano (XNO): web page extraction, link status checks, URL status checks, domain intelligence, web search, IP geolocation, Nano account info and YouTube transcript extraction. No signu…
A2A agent · Vend · 9 skills · check 90/100 · also does research, web search, web scraping
- Firecrawl Live MCP
MCP server for Firecrawl — web search, scraping, and biomedical/arXiv paper search.
MCP server · Firecrawl · 3 tools · check 80/100 · also does research, web search, web scraping
- Liquid Agent: Money Tools for AI Agents Live A2A
x402 money tools for AI agents: a one-signature USDC bridge from Base to 16 chains, the live Polymarket price to beat (BTC, ETH, SOL, XRP on 5m and 15m), a tokenized US stock basket from $1, and gas paid in USDC, plus f…
A2A agent · Liquid Agent · 11 skills · check 60/100 · also does on-chain data, coding & dev tools, trading & markets
- Apify Live x402
Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Buy a prepaid, spend-capped Apify API token to unlock Actors that extract structured data from soci…
x402 paid API · 1 endpoint · check 90/100 · also does research, web scraping, maps & travel
- Google Maps Lead Gen MCP — Local Business Enrichment Live MCP
B2B lead generation tool: search Google Maps by 'plumbers in Austin', get back business profiles with emails, phone numbers, ratings, websites. The differentiator over plain Google Maps API is the contact-enrichment lay…
MCP server · nexgendata-apify · also does web scraping, email, maps & travel
- x402engine Live x402
125 production APIs behind HTTP 402 micropayments. 87 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scraping, TTS, and transaction simulation. Pay with USDC on Base, US…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, web scraping, maps & travel
- HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… Live MCP
70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data
MCP server · io.github.Its-fortunatefolly · also does web search, trading & markets, email
- Rooms paid tools (x402) Live x402
7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address c…
x402 paid API · Rooms by Aurmada · 7 endpoints · also does on-chain data, web scraping, email
All On-chain dataAll ResearchAll Web searchAll Web scrapingAll Coding & dev toolsAll Trading & marketsAll EmailAll Maps & travel