u2a.com.au alternatives
12 MCP servers, A2A agents and x402 APIs that also do payments, trading & markets, x402 paid apis, ranked by how much they overlap with u2a.com.au (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| u2a.com.au (this one) | x402 paid API | Yes | 7 | – |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Coin Railz | A2A agent | Yes | 24 | 90/100 |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| SursaTech AI Advisor | A2A agent | Yes | 10 | – |
| ShadowGraph Market Intelligence | A2A agent | Yes | 9 | 90/100 |
| Deep Values | MCP server | Yes | 25 | 80/100 |
| Bitrefill x402 | x402 paid API | Yes | 8 | 90/100 |
| CheapTokens API | x402 paid API | Yes | 1 | 90/100 |
| BotInfo — Advanced Robot Market Data | MCP server | Yes | – | – |
| PREA | A2A agent | Yes | 4 | – |
| agentline.cloud | x402 paid API | Yes | 1 | – |
| AlgoVoi Payment Agent | A2A agent | Yes | 5 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Bounty Engineer Autonomous Mission Commerce Live A2A
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…
A2A agent · Bounty Engineer · 24 skills · check 90/100 · also does payments, trading & markets, x402 paid apis
- Coin Railz Live A2A
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
A2A agent · Coin Railz · 24 skills · check 90/100 · also does payments, trading & markets, x402 paid apis
- 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 payments, trading & markets, x402 paid apis
- SursaTech AI Advisor Live A2A
SursaTech AI Advisor for an AI-native product engineering company in Kathmandu, Nepal, founded in 2017. Access to company knowledge (AI agent development, RAG, services, portfolio, process, profile, pricing), project-re…
A2A agent · SursaTech · 10 skills · also does payments, trading & markets
- ShadowGraph Market Intelligence Live A2A
Global evidence-ranked relationship, validated price-lag, market-signal and procurement-opportunity intelligence for autonomous agents. Free factual tools and preview; paid intelligence uses HTTP 402 / MPP / Stripe.
A2A agent · ShadowGraph · 9 skills · check 90/100 · also does payments, trading & markets
- Deep Values Live MCP
Value investing for US stocks: SEC filings, 13F guru holdings, intrinsic value, AI briefings.
MCP server · ai.deepvalues · 25 tools · check 80/100 · also does payments, trading & markets
- Bitrefill x402 Live x402
Buy gift cards, eSIMs, mobile top-ups and prepaid cards with USDC via x402. 10,000+ brands across 180+ countries. No API keys or Bitrefill account required — wallet payment and optional SIWX sign-in only.
x402 paid API · 8 endpoints · check 90/100 · also does payments, 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 payments, x402 paid apis
- BotInfo — Advanced Robot Market Data Live MCP
Checkout-verified prices, stock, US FCC status and buy routes for humanoid and quadruped robots
MCP server · ai.botinfo · also does payments, trading & markets
- PREA Live A2A
The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise.…
A2A agent · Agentia | Hex-Evo Ltd. · 4 skills · also does payments, trading & markets
- agentline.cloud Live x402
AgentLine gives AI agents real US phone numbers, inbound/outbound voice calls, AI receptionists, transcripts, inbound SMS and live phone events. Use REST or MCP without signup: recharge and save agent_token. This endpoi…
x402 paid API · 1 endpoint · also does payments, x402 paid apis
- AlgoVoi Payment Agent Live A2A
Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google A…
A2A agent · AlgoVoi · 5 skills · also does payments, x402 paid apis