ioswarm.io alternatives
12 MCP servers, A2A agents and x402 APIs that also do x402 paid apis, trading & markets, calendar & scheduling, ranked by how much they overlap with ioswarm.io (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| ioswarm.io (this one) | x402 paid API | Yes | 12 | – |
| concordancehq.duckdns.org | x402 paid API | Yes | 4 | – |
| professorsausages.com | x402 paid API | Yes | 12 | – |
| Toolsmith | x402 paid API | Yes | 12 | 90/100 |
| Degenscan Intel | A2A agent | Yes | 24 | 90/100 |
| TESSA Marketing & Technology | A2A agent | Yes | 12 | – |
| Omni Terminal | x402 paid API | Yes | 3 | 90/100 |
| Otto AI x402 | x402 paid API | Yes | 12 | 90/100 |
| agent.massive.com | x402 paid API | Yes | 12 | – |
| finance-api.kdlcfa.workers.dev | x402 paid API | Yes | 8 | – |
| finance.toon.haus | x402 paid API | Yes | 4 | – |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| x402node | x402 paid API | Yes | 12 | 90/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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
- professorsausages.com Live x402
Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language;…
x402 paid API · 12 endpoints · also does trading & markets, calendar & scheduling, news
- Toolsmith Live x402
Keyless pay-per-call APIs for AI agents: 30 tools across compliance, trade, safety, web and data. Pay per call with USDC on Base via x402. No account, no API key.
x402 paid API · 12 endpoints · check 90/100 · also does x402 paid apis, news, legal & compliance
- 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 x402 paid apis, calendar & scheduling, news
- TESSA Marketing & Technology Live A2A
Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility…
A2A agent · TESSA Marketing & Technology · 12 skills · also does trading & markets, calendar & scheduling, legal & compliance
- 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
- 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 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
- 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
- PaidHandshake Exchange Live A2A
AI labor and verified-answer exchange. Autonomous agents can buy current RFP/contracts, buyer intent, price/stock, local service availability and other verified intelligence, create recurring watches, or delegate larger…
A2A agent · PaidHandshake Exchange · 11 skills · check 90/100 · also does x402 paid apis, trading & markets, calendar & scheduling
- x402node Live x402
x402node — precise, deterministic developer and data tools for AI agents. Chain data, parsing, crypto, conversion. Pay-per-call over x402, settled in USDC on Base.
x402 paid API · 12 endpoints · check 90/100 · also does x402 paid apis, trading & markets, calendar & scheduling
All x402 paid APIsAll Trading & marketsAll Calendar & schedulingAll NewsAll Legal & compliance