research.halowerk.com alternatives
12 MCP servers, A2A agents and x402 APIs that also do research, x402 paid apis, ranked by how much they overlap with research.halowerk.com (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| research.halowerk.com (this one) | x402 paid API | Yes | 3 | – |
| Apify | x402 paid API | Yes | 1 | 90/100 |
| aarn.space | x402 paid API | Yes | 2 | – |
| agent-reader.agent-reader.workers.dev | x402 paid API | Yes | 3 | – |
| agentreader.dev | x402 paid API | Yes | 8 | – |
| agentwholesale.vercel.app | x402 paid API | Yes | 2 | – |
| builtwith.com | x402 paid API | Yes | 1 | – |
| carbon-cashmere.de | x402 paid API | Yes | 12 | – |
| citepulse.theaslangroupllc.com | x402 paid API | Yes | 2 | – |
| companylens.ve1iko.chatgpt.site | x402 paid API | Yes | 1 | – |
| concordancehq.duckdns.org | x402 paid API | Yes | 4 | – |
| context-relay.contextrelay.workers.dev | x402 paid API | Yes | 1 | – |
| craigmbrown.com | x402 paid API | Yes | 12 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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, x402 paid apis
- aarn.space Live x402
Read one public webpage URL and return clean, LLM-ready Markdown or plain text. Designed for AI agents that need webpage contents, RAG context, research or summarization. (2 paid endpoints on api.aarn.space.)
x402 paid API · 2 endpoints · also does research, x402 paid apis
- agent-reader.agent-reader.workers.dev Live x402
DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain and get structured JSON answers with TTLs. Useful for domain research, email validation and infrastructure c…
x402 paid API · 3 endpoints · also does research, x402 paid apis
- agentreader.dev Live x402
DNS lookup over Cloudflare DoH: query A, AAAA, CNAME, MX, NS, TXT, SOA, SRV, CAA or PTR records for any domain and get structured JSON answers with TTLs. Useful for domain research, email validation and infrastructure c…
x402 paid API · 8 endpoints · also does research, x402 paid apis
- agentwholesale.vercel.app Live x402
Search the live web for current information. Returns fresh structured organic search results with titles, URLs, snippets, domains, and ranks for agent research and retrieval. (2 paid endpoints on agentwholesale.vercel.a…
x402 paid API · 2 endpoints · also does research, x402 paid apis
- builtwith.com Live x402
Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.
x402 paid API · 1 endpoint · also does research, x402 paid apis
- carbon-cashmere.de Live x402
Recent Kaspa blocks (max 144 per call = $1.44 cap). Optional chain_only flag to filter selected-parent chain blocks. AI agent API for backtesters and indexers. Informational research data — not investment advice. (18 pa…
x402 paid API · 12 endpoints · also does research, x402 paid apis
- citepulse.theaslangroupllc.com Live x402
Single-paper lookup by DOI or title for research agents — citation count, influence, open-access status with a direct legal-OA link (Unpaywall), venue, and a TLDR. Deterministic passthrough over OpenAlex + Semantic Scho…
x402 paid API · 2 endpoints · also does research, x402 paid apis
- companylens.ve1iko.chatgpt.site Live x402
Resolve a UK legal company name or registration number to a sourced Companies House profile. Returns company status, incorporation, SIC codes, registered office, filing due dates and overdue flags. Use for company resea…
x402 paid API · 1 endpoint · also does research, x402 paid apis
- concordancehq.duckdns.org Live x402
Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything concordant across indepe…
x402 paid API · 4 endpoints · also does research, x402 paid apis
- context-relay.contextrelay.workers.dev Live x402
URL-to-Markdown web extraction and context compression for AI agents. Fetch a public web page and return clean, task-relevant, citation-verifiable LLM context with exact excerpts, locators, hashes, and estimated tokens…
x402 paid API · 1 endpoint · also does research, x402 paid apis
- craigmbrown.com Live x402
Fast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The quick…
x402 paid API · 12 endpoints · also does research, x402 paid apis