sitecheck-api.workers.dev alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, email, documents & pdfs, ranked by how much they overlap with sitecheck-api.workers.dev (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| sitecheck-api.workers.dev (this one) | x402 paid API | Yes | 12 | – |
| Agent Products | A2A agent | Yes | 12 | – |
| agents.daedalusdevelopmentgroup.com | x402 paid API | Yes | 12 | – |
| ausca.com | x402 paid API | Yes | 6 | – |
| agentindex.world | x402 paid API | Yes | 12 | – |
| dt0ur.online | x402 paid API | Yes | 12 | – |
| chainverdict.xyz | x402 paid API | Yes | 12 | – |
| 01Mind | A2A agent | Yes | 10 | – |
| Anokha Web Tools | A2A agent | Yes | 12 | – |
| Amalgix Document Intelligence | MCP server | Yes | – | – |
| CheapTokens API | x402 paid API | Yes | 1 | 90/100 |
| Mekler AI | x402 paid API | Yes | 8 | 90/100 |
| 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
- 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, email, documents & pdfs
- agents.daedalusdevelopmentgroup.com Live x402
DDG agent-payable service request (248 paid endpoints on agents.daedalusdevelopmentgroup.com.)
x402 paid API · 12 endpoints · also does email, documents & pdfs, x402 paid apis
- ausca.com Live x402
Start one renewable random receive-only temporary email address, then wait for and read bounded inbound mail. Use it as a disposable email or throwaway inbox for agent workflows, and extend the same active address when…
x402 paid API · 6 endpoints · also does email, documents & pdfs, x402 paid apis
- agentindex.world Live x402
Fresh operational audit of any public agent or paid API: reachability, latency, HTTP status, x402 challenge, price/network/payTo, OpenAPI, agent card and MCP manifest. Returns a 0-100 score, verdict and issues. Try GET…
x402 paid API · 12 endpoints · also does on-chain data, documents & pdfs, x402 paid apis
- dt0ur.online Live x402
Look up a transaction by hash on base, ethereum, arbitrum, optimism, polygon, bsc: status (success/reverted/pending), block and timestamp, from/to, value, gas used, fee in native coin and USD, method selector, created c…
x402 paid API · 12 endpoints · also does on-chain data, documents & pdfs, x402 paid apis
- chainverdict.xyz Live x402
Latest Base block: number, timestamp and hash. The cheapest call on the service — useful as a liveness and connectivity check. (22 paid endpoints on chainverdict.xyz.)
x402 paid API · 12 endpoints · also does on-chain data, email, x402 paid apis
- 01Mind Live A2A
A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base. Paying accepts the 01Mind Terms of Sale (version 2026-09-15): http…
A2A agent · 01Mind · 10 skills · also does email, documents & pdfs, x402 paid apis
- Anokha Web Tools Live A2A
Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as Markdown, render Markdown to PDF, publish pages, charts…
A2A agent · Anokha Web Tools · 12 skills · also does email, documents & pdfs, x402 paid apis
- Amalgix Document Intelligence Live MCP
Cross-model evidence pipeline for financial filing and contract intelligence. Two core paid workflows — analyze_public_filing (SEC 10-K/10-Q/20-F, ticker/CIK lookup, metrics, risk changes, contradictions) and review_con…
MCP server · amalgix · also does on-chain data, documents & pdfs, x402 paid apis
- CheapTokens API Live x402
Machine-readable API for discovering CheapTokens pricing/supply, choosing x402 or card checkout routes, purchasing discounted Venice.ai API credits, inspecting Same-Day and Prepaid API Key status, recovering card-purcha…
x402 paid API · 1 endpoint · check 90/100 · also does on-chain data, email, 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 on-chain data, email, x402 paid apis
- 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, email, x402 paid apis
All On-chain dataAll EmailAll Documents & PDFsAll x402 paid APIs