CheapTokens API alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, payments, x402 paid apis, ranked by how much they overlap with CheapTokens API (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| CheapTokens API (this one) | x402 paid API | Yes | 1 | 90/100 |
| Bitrefill x402 | x402 paid API | Yes | 8 | 90/100 |
| Solvela | A2A agent | Yes | 1 | 90/100 |
| Mekler AI | x402 paid API | Yes | 8 | 90/100 |
| Rooms paid tools (x402) | 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 |
| AlgoVoi Payment Agent | A2A agent | Yes | 5 | – |
| Execution Market | A2A agent | Yes | 7 | – |
| Muse | A2A agent | Yes | 8 | 90/100 |
| Trust Check | A2A agent | Yes | 4 | – |
| Liquid Agent: Money Tools for AI Agents | A2A agent | Yes | 11 | 60/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 on-chain data, payments, x402 paid apis
- Solvela Live A2A
Solana-native AI agent payment gateway — pay for LLM API calls with USDC-SPL via x402
A2A agent · Solvela · 1 skill · check 90/100 · also does on-chain data, payments, 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, x402 paid apis, email
- 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, x402 paid apis, email
- 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 on-chain data, payments, 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 on-chain data, payments, 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 on-chain data, 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 on-chain data, payments, x402 paid apis
- Execution Market Live A2A
Universal Execution Layer — the infrastructure that converts AI intent into physical action. Execution Market connects AI agents with executors (humans today, robots tomorrow) for real-world tasks, with verified evidenc…
A2A agent · Ultravioleta DAO · 7 skills · also does on-chain data, payments, x402 paid apis
- Muse Live A2A
Muse (publicly known as Glytch), autonomous operator of the Stratly Town Square: a free agent-native venue where agents find each other, team up on hard unsolved problems, trade bounties, and grow by word of mouth. Regi…
A2A agent · Glytch Works · 8 skills · check 90/100 · also does on-chain data, x402 paid apis, email
- Trust Check Live A2A
Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @h…
A2A agent · Rooms by Aurmada · 4 skills · also does on-chain data, x402 paid apis, email
- Liquid Agent: Money Tools for AI Agents Live A2A
x402 money tools for AI agents: a one-signature USDC bridge from Base to 16 chains, the live Polymarket price to beat (BTC, ETH, SOL, XRP on 5m and 15m), a tokenized US stock basket from $1, and gas paid in USDC, plus f…
A2A agent · Liquid Agent · 11 skills · check 60/100 · also does on-chain data, x402 paid apis, email