x402tap.com alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, maps & travel, x402 paid apis, ranked by how much they overlap with x402tap.com (x402 paid API), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| x402tap.com (this one) | x402 paid API | Yes | 12 | – |
| Otto AI x402 | x402 paid API | Yes | 12 | 90/100 |
| agentindex.world | x402 paid API | Yes | 12 | – |
| bizintel-api.hahavoid0.workers.dev | x402 paid API | Yes | 6 | – |
| chain.cyberwarex.com | x402 paid API | Yes | 7 | – |
| eltociear-tokenguard.hf.space | x402 paid API | Yes | 12 | – |
| flipvo.com | x402 paid API | Yes | 12 | – |
| x402engine | x402 paid API | Yes | 12 | 90/100 |
| x402node | x402 paid API | Yes | 12 | 90/100 |
| 2s | A2A agent | Yes | 1 | – |
| Agent Zero | A2A agent | Yes | 12 | – |
| netintel.dev | x402 paid API | Yes | 12 | – |
| tbs-digital.com | x402 paid API | Yes | 12 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- 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 on-chain data, maps & travel, x402 paid apis
- agentindex.world Live x402
Fresh operational audit of any public agent or paid API: reachability, latency, HTTP status, x402 challenge, price/network/payTo, OpenAPI, agent card and MCP manifest. Returns a 0-100 score, verdict and issues. Try GET…
x402 paid API · 12 endpoints · also does on-chain data, maps & travel, x402 paid apis
- bizintel-api.hahavoid0.workers.dev Live x402
Queries foreign exchange currency pairings from the free Frankfurter database. (6 paid endpoints on bizintel-api.hahavoid0.workers.dev.)
x402 paid API · 6 endpoints · also does on-chain data, maps & travel, x402 paid apis
- chain.cyberwarex.com Live x402
ENS name resolution in both directions on Ethereum mainnet. Pass name to resolve an ENS name to its address (forward), or pass address to get that address's primary ENS name (reverse, forward-verified so spoofed reverse…
x402 paid API · 7 endpoints · also does on-chain data, maps & travel, x402 paid apis
- eltociear-tokenguard.hf.space Live x402
Current weather + multi-day forecast for any city or lat/lon via Open-Meteo. Temperature, humidity, wind, precipitation, WMO condition codes. (125 paid endpoints on eltociear-tokenguard.hf.space.)
x402 paid API · 12 endpoints · also does on-chain data, maps & travel, x402 paid apis
- flipvo.com Live x402
Cheapest possible paid call: proves your wallet, our 402, and the receipt path work. Returns pong and a timestamp. (13 paid endpoints on api.flipvo.com.)
x402 paid API · 12 endpoints · also does on-chain data, maps & travel, x402 paid apis
- x402engine Live x402
125 production APIs behind HTTP 402 micropayments. 87 LLMs, Kling V3 and Hailuo video generation, image generation, code execution, travel search, web scraping, TTS, and transaction simulation. Pay with USDC on Base, US…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, maps & travel, x402 paid apis
- 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 on-chain data, maps & travel, x402 paid apis
- 2s Live A2A
The (most) everything API for AI agents, exposed as an A2A agent. This agent's skill is endpoint DISCOVERY: send a natural-language task and it returns the best-matching 2s endpoints (path, method, price, description) f…
A2A agent · 2s · 1 skill · also does on-chain data, maps & travel, x402 paid apis
- Agent Zero Live A2A
Comprehensive agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-cha…
A2A agent · Agent Zero · 12 skills · also does on-chain data, maps & travel, x402 paid apis
- netintel.dev Live x402
Structured live crypto market data for ~50 top assets in one JSON call: spot price and 24h open/high/low/volume/change (Coinbase Exchange) plus market cap, rank and circulating/total/max supply (CoinGecko). Quote in USD…
x402 paid API · 12 endpoints · also does on-chain data, maps & travel
- tbs-digital.com Live x402
Complete crypto and DeFi snapshot in ONE call for AI agents: spot prices for your tokens, full market data (market cap, 24h volume, supply, 24h change) for the lead token, top-10 chains by TVL, and the best yield pools…
x402 paid API · 12 endpoints · also does on-chain data, maps & travel