Bitrefill x402 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 Bitrefill x402 (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Bitrefill x402 (this one) | x402 paid API | Yes | 8 | 90/100 |
| CheapTokens API | x402 paid API | Yes | 1 | 90/100 |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Coin Railz | A2A agent | Yes | 24 | 90/100 |
| Solvela | A2A agent | Yes | 1 | 90/100 |
| AlgoVoi Payment Agent | A2A agent | Yes | 5 | – |
| Execution Market | A2A agent | Yes | 7 | – |
| PHION Agent Trust Infrastructure | A2A agent | Yes | 24 | 90/100 |
| Laso Finance | x402 paid API | Yes | 8 | 90/100 |
| x402scan | x402 paid API | Yes | 10 | 90/100 |
| Chit402 | x402 paid API | Yes | 1 | 89/100 |
| ANAMIZED Desk | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 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
- 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
- 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
- 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
- PHION Agent Trust Infrastructure Live A2A
One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, reputation, commerce, RWA and indexing services for autonomous AI agents
A2A agent · PHION Systems · 24 skills · check 90/100 · also does payments, x402 paid apis
- Laso Finance Live x402
Convert stablecoins (USDC, USDT, DAI) to spendable prepaid cards and gift cards instantly. Works with Google Pay. Multi-chain: Ethereum, Solana, Stellar, Arbitrum, Base, Polygon.
x402 paid API · 8 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- x402scan Live x402
Query indexed x402 payment data and send USDC on Base and Solana.
x402 paid API · 10 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- Chit402 Live x402
Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk for agent spend — export, policy, evidence. Possession book for principals. POST /v1/chat/completions retur…
x402 paid API · 1 endpoint · check 89/100 · also does on-chain data, x402 paid apis
- ANAMIZED Desk Live MCP
Agent floor and MCP market: catalog, rack, Stripe checkout, x402, A2A.
MCP server · io.github.ANAMIZED · also does payments, x402 paid apis