OnchainExpat x402 APIs
Reputation
formula v1.3Signals
Suite of pay-per-request AI tools and data APIs accepting x402 micropayments in USDC on Base/Solana. • Uncensored AI - Chat, reasoning, code generation, image creation via Venice.ai ($0.05-$0.25) • Crypto Analysis - Token security, wallet identity, contract decoding, DeFi positions ($0.02-$0.30) • Audio Generation - Text-to-speech, speech-to-text, sound effects via ElevenLabs ($0.01-$0.15) • Agent Tools - Weather, news, stocks, geocoding, Wikipedia, and 15+ utilities ($0.001-$0.01) • PadelMaps API - Global padel club data, court info, and match finding for 15,000+ clubs in 89 countries ($0.01) No API keys needed. Pay with USDC per request using HTTP 402 protocol. Docs: https://x402.onchainexpat.com | Padel: https://padelmaps.org/api/x402/docs
Source: data:application/json;base64,ewogICJ0eXBlIjogImh0dHBzOi8vZWlwcy5ldGhlcmV1bS5vcmcvRUlQUy9laXAtODAwNCNyZWdpc3RyYXRpb24tdjEiLAogICJuYW1lIjogIk9uY2hhaW5FeHBhdCB4NDAyIEFQSXMiLAogICJkZXNjcmlwdGlvbiI6ICJT...
Raw metadata
{
"name": "OnchainExpat x402 APIs",
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"image": "https://x402.onchainexpat.com/static/agent-logo.jpg",
"active": true,
"services": [
{
"name": "A2A",
"version": "0.3.0",
"endpoint": "https://x402.onchainexpat.com/.well-known/agent-card.json"
},
{
"name": "custom",
"endpoint": "https://x402.onchainexpat.com/.well-known/x402"
},
{
"name": "MCP",
"version": "2025-06-18",
"endpoint": "https://x402.onchainexpat.com/mcp/",
"mcpTools": [
"list_crypto_tools",
"list_ai_tools",
"list_audio_tools",
"list_agent_tools",
"list_padel_tools",
"get_api_docs",
"crypto_token_metadata",
"crypto_wallet_identity",
"crypto_contract_decoder",
"crypto_defi_positions",
"crypto_price_feed",
"crypto_gas_oracle",
"crypto_nft_metadata",
"crypto_token_holders",
"crypto_approval_checker",
"crypto_transaction_decoder",
"crypto_site_trust",
"crypto_wallet_identity_crosschain",
"uncensored_chat",
"uncensored_reasoning",
"uncensored_code",
"uncensored_image",
"audio_text_to_speech",
"audio_speech_to_text",
"audio_sound_effects",
"audio_voice_isolation",
"audio_list_voices",
"tools_crypto_price",
"tools_crypto_prices",
"tools_weather",
"tools_geocode",
"tools_reverse_geocode",
"tools_wiki_search",
"tools_wiki_summary",
"tools_news_search",
"tools_stock_quote",
"tools_currency_convert",
"tools_github_repo",
"tools_hackernews_top",
"tools_book_search",
"tools_nutrition_search",
"tools_ip_lookup",
"tools_air_quality",
"tools_country_info",
"tools_pokemon_info",
"padel_countries",
"padel_clubs",
"padel_club_details",
"padel_matches"
]
}
],
"description": "Suite of pay-per-request AI tools and data APIs accepting x402 micropayments in USDC on Base/Solana.\n\n• Uncensored AI - Chat, reasoning, code generation, image creation via Venice.ai ($0.05-$0.25)\n• Crypto Analysis - Token security, wallet identity, contract decoding, DeFi positions ($0.02-$0.30)\n• Audio Generation - Text-to-speech, speech-to-text, sound effects via ElevenLabs ($0.01-$0.15)\n• Agent Tools - Weather, news, stocks, geocoding, Wikipedia, and 15+ utilities ($0.001-$0.01)\n• PadelMaps API - Global padel club data, court info, and match finding for 15,000+ clubs in 89 countries ($0.01)\n\nNo API keys needed. Pay with USDC per request using HTTP 402 protocol.\n\nDocs: https://x402.onchainexpat.com | Padel: https://padelmaps.org/api/x402/docs",
"x402Support": true,
"registrations": [
{
"agentId": 22778,
"agentRegistry": "eip155:1:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"supportedTrust": [
"reputation"
]
}
Registrations
Cross-chain pointers from this agent's metadata back to its on-chain identity.
| Chain | Registry | Agent ID |
|---|---|---|
| Ethereum Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 22778 |
Services
-
A2A v0.3.0Endpoint
https://x402.onchainexpat.com/.well-known/agent-card.json -
customEndpoint
https://x402.onchainexpat.com/.well-known/x402 -
MCP v2025-06-18Endpoint
https://x402.onchainexpat.com/mcp/
The ValidationRegistry contract is not yet deployed on Ethereum Mainnet. Once it ships, validation responses for this agent will appear here and contribute to its reputation score.
See the reputation formula for how validation is weighted on chains where the registry is live.