holdsup.app alternatives
12 MCP servers, A2A agents and x402 APIs that also do research, x402 paid apis, ranked by how much they overlap with holdsup.app (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| holdsup.app (this one) | x402 paid API | Yes | 2 | – |
| almanac.locomot.io | x402 paid API | Yes | 1 | – |
| domain-age-checker.underscoredone.com | x402 paid API | Yes | 1 | – |
| Apify | x402 paid API | Yes | 1 | 90/100 |
| AsterPay API | x402 paid API | Yes | 12 | 90/100 |
| Glassnode | x402 paid API | Yes | 12 | 90/100 |
| LION Verified Company Data | x402 paid API | Yes | 12 | 90/100 |
| Mekler AI | x402 paid API | Yes | 8 | 90/100 |
| Omni Terminal | x402 paid API | Yes | 3 | 90/100 |
| Pocket Network Agentic Portal | x402 paid API | Yes | 12 | 90/100 |
| aarn.space | x402 paid API | Yes | 2 | – |
| agent-reader.agent-reader.workers.dev | x402 paid API | Yes | 3 | – |
| agentforge-taupe.vercel.app | 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
- almanac.locomot.io Live x402
Deterministic citation formatter — APA 7, MLA 9, Chicago 17 author-date, BibTeX. From structured fields, returns the reference entry (markdown/html/plain) + the in-text citation, reproducing published style-manual examp…
x402 paid API · 1 endpoint · also does research, x402 paid apis
- domain-age-checker.underscoredone.com Live x402
Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domain…
x402 paid API · 1 endpoint · also does research, x402 paid apis
- 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
- AsterPay API Live x402
Public API accepting x402 and MPP payments. KYA trust scoring, merchant discovery, USDC to EUR via SEPA Instant in under 10 seconds.
x402 paid API · 12 endpoints · check 90/100 · also does research, x402 paid apis
- Glassnode Live x402
For finance professionals and institutions. Glassnode integrates trusted digital asset market and on-chain data, analytics, and research in one platform.
x402 paid API · 12 endpoints · check 90/100 · also does research, x402 paid apis
- LION Verified Company Data Live x402
Keyless x402 on Base USDC for AI agents: cheapest OFAC wallet screen ($0.001), multi-list sanctions + signed compliance receipt, company research/org enrich from $0.03, verified company file $0.95. Live Wikidata+SEC+DNS…
x402 paid API · 12 endpoints · check 90/100 · also does research, x402 paid apis
- 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 research, x402 paid apis
- Omni Terminal Live x402
Modern Hyperliquid trading terminal and dashboard with live execution, AI news, liquidation analytics, trader data, and an IBKR stocks and options private beta.
x402 paid API · 3 endpoints · check 90/100 · also does research, x402 paid apis
- Pocket Network Agentic Portal Live x402
Pay-per-call access to Pocket Network services. No account, no API key.
x402 paid API · 12 endpoints · 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
- agentforge-taupe.vercel.app Live x402
Payment flow verification for agents integrating x402: confirms your wallet and payment channel work before you spend on a real endpoint. Category: infra. (19 paid endpoints on agentforge-taupe.vercel.app.)
x402 paid API · 12 endpoints · also does research, x402 paid apis