n0brains.com alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, x402 paid apis, trading & markets, ranked by how much they overlap with n0brains.com (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| n0brains.com (this one) | x402 paid API | Yes | 3 | – |
| Otto AI x402 | x402 paid API | Yes | 12 | 90/100 |
| vextorium.com | x402 paid API | Yes | 12 | – |
| SYNTHORA — M2M Intelligence Mesh | A2A agent | Yes | 12 | – |
| Omni Terminal | x402 paid API | Yes | 3 | 90/100 |
| agent.massive.com | x402 paid API | Yes | 12 | – |
| concordancehq.duckdns.org | x402 paid API | Yes | 4 | – |
| finance-api.kdlcfa.workers.dev | x402 paid API | Yes | 8 | – |
| finance.toon.haus | x402 paid API | Yes | 4 | – |
| ioswarm.io | x402 paid API | Yes | 12 | – |
| broke2built Data & Intelligence Skills | A2A agent | Yes | 12 | – |
| Degenscan Intel | A2A agent | Yes | 24 | 90/100 |
| Arkham x402 | x402 paid API | Yes | 5 | 90/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Otto AI x402 Live x402
Otto AI runs a swarm of autonomous agents exposing 84 pay-per-call services on x402 V2 across eight capability tags — Market & Token Intelligence, DeFi & Markets Data, Web & Domain Intelligence, Real-World Data, AI Crea…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, x402 paid apis, trading & markets
- vextorium.com Live x402
Official tokenized versions of a US stock or ETF on Solana (xStocks by Backed and Ondo Global Markets): verified mint addresses, on-chain supply and issuer authority check. Accepts NVDA, NVDAx or NVDAon. (1021 paid endp…
x402 paid API · 12 endpoints · also does on-chain data, trading & markets, news
- SYNTHORA — M2M Intelligence Mesh Live A2A
SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.
A2A agent · SYNTHORA · 12 skills · also does on-chain data, trading & markets, news
- 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 x402 paid apis, trading & markets, news
- agent.massive.com Live x402
Get the most recent news articles relating to a stock ticker symbol, including a summary of the article and a link to the original source. Can't find what you're looking for? POST feedback to /feedback, no charge. (19 p…
x402 paid API · 12 endpoints · also does x402 paid apis, trading & markets, news
- 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 x402 paid apis, trading & markets, news
- finance-api.kdlcfa.workers.dev Live x402
US 30-Year Treasury Bond yield (%), delayed, via Yahoo Finance (8 paid endpoints on finance-api.kdlcfa.workers.dev.)
x402 paid API · 8 endpoints · also does x402 paid apis, trading & markets, news
- finance.toon.haus Live x402
Stock quote with company profile (4 paid endpoints on finance.toon.haus.)
x402 paid API · 4 endpoints · also does x402 paid apis, trading & markets, news
- ioswarm.io Live x402
Live quotes for up to 8 symbols — stocks, ETFs, crypto pairs (BTC-USD), FX — price, session change and currency, in the paid response. $0.01 per call, no account. (32 paid endpoints on ioswarm.io.)
x402 paid API · 12 endpoints · also does x402 paid apis, trading & markets, news
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 12 skills · also does on-chain data, x402 paid apis, news
- Degenscan Intel Live A2A
Market-event intelligence and calibrated probability forecasts for AI trading agents: ~40 primary sources (SEC, Fed, Polymarket, Hyperliquid, on-chain) scored into per-asset impacts; token contract risk verdicts; public…
A2A agent · Marbella Collins LLC (Florida, USA) — contact@degenscan.io · 24 skills · check 90/100 · also does on-chain data, x402 paid apis, news
- Arkham x402 Live x402
Pay-per-request Arkham wallet intelligence and market data API protected by x402.
x402 paid API · 5 endpoints · check 90/100 · also does on-chain data, x402 paid apis, trading & markets
All On-chain dataAll x402 paid APIsAll Trading & marketsAll News