percallapi.com alternatives
12 MCP servers, A2A agents and x402 APIs that also do calendar & scheduling, news, x402 paid apis, ranked by how much they overlap with percallapi.com (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| percallapi.com (this one) | x402 paid API | Yes | 5 | – |
| ioswarm.io | x402 paid API | Yes | 12 | – |
| Degenscan Intel | A2A agent | Yes | 24 | 90/100 |
| professorsausages.com | x402 paid API | Yes | 12 | – |
| Brave Search API | x402 paid API | Yes | 8 | 90/100 |
| x402 Atlas Web Search, News & Page Reader | x402 paid API | Yes | 4 | 90/100 |
| api.agentstools.dev | x402 paid API | Yes | 12 | 80/100 |
| concordancehq.duckdns.org | x402 paid API | Yes | 4 | – |
| craigmbrown.com | x402 paid API | Yes | 12 | – |
| crawlspur.halowerk.com | x402 paid API | Yes | 12 | – |
| dataforagents.net | x402 paid API | Yes | 2 | – |
| eltociear-skill-audit.hf.space | x402 paid API | Yes | 12 | – |
| gdelt.use.x402atlas.com | x402 paid API | Yes | 2 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 calendar & scheduling, news, x402 paid apis
- 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 calendar & scheduling, news, x402 paid apis
- 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 calendar & scheduling, news
- Brave Search API Live x402
Web search over Brave's independent index. Returns ranked pages with title, URL, and snippet, plus news, video, and discussion results when relevant. Use it to find current sources on any topic. Pass q, and optionally c…
x402 paid API · 8 endpoints · check 90/100 · also does news, x402 paid apis
- x402 Atlas Web Search, News & Page Reader Live x402
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information online — latest news,…
x402 paid API · 4 endpoints · check 90/100 · also does news, x402 paid apis
- api.agentstools.dev Live x402
Keyword news search across web news engines (Bing/DuckDuckGo/Yahoo via ddgs). Returns dated headlines with title/url/snippet/source/image + freshness/region/safesearch filters.
x402 paid API · 12 endpoints · check 80/100 · also does news, 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 news, 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 news, x402 paid apis
- crawlspur.halowerk.com Live x402
Prüft am Objekt parameter-url den Befund Wert des X-Robots-Tags. (100 paid endpoints on crawlspur.halowerk.com.)
x402 paid API · 12 endpoints · also does news, x402 paid apis
- dataforagents.net Live x402
DataForAgents — Steam catalog search for agents (name, genre, price filters) (2 paid endpoints on dataforagents.net.)
x402 paid API · 2 endpoints · also does news, x402 paid apis
- eltociear-skill-audit.hf.space Live x402
Fetch a URL and grade its HTTP security headers (HSTS, CSP, X-Frame-Options, etc.) (14 paid endpoints on eltociear-skill-audit.hf.space.)
x402 paid API · 12 endpoints · also does news, x402 paid apis
- gdelt.use.x402atlas.com Live x402
Global news article search by GDELT — normalized fulltext search across worldwide media (query syntax: phrases, OR, sourcecountry, theme, tone) returned as a clean snake_case envelope. (2 paid endpoints on gdelt.use.x40…
x402 paid API · 2 endpoints · also does news, x402 paid apis