api.cortexcloud.org — On-Chain Data & Intelligence API
CortexCloud is an agent-native pay-per-call on-chain data API. Categories include token balances, token prices, NFT ownership, transaction history, wallet intelligence, token risk, whale alerts, gas oracle, block reads and cross-chain comparison. Evidence-backed JSON settled in USDC on Base via x402.
1 route settlement-verified · $0.004 USDC/request · 1 endpoint · Data · base network · x402 protocol
Verified routes
POST /v1/data/token-balances· $0.004 · Verified with a $0.004 test payment on 6 Nov 2026 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcpListing facts
- Provider
- api.cortexcloud.org — On-Chain Data & Intelligence API
- Hosted at
api.cortexcloud.org- Category
- Data
- Price
- $0.004 USDC per request
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-11-06
- Listed on PayAPI Market
- 2026-11-05
Try api.cortexcloud.org — On-Chain Data & Intelligence API
Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.
curl -i -X POST "https://api.cortexcloud.org/v1/data/token-balances"About this API
api.cortexcloud.org — On-Chain Data & Intelligence API is listed in the Data category with pricing at $0.004 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-06. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 1 endpoint.
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Questions about this API
What does api.cortexcloud.org — On-Chain Data & Intelligence API do?
CortexCloud is an agent-native pay-per-call on-chain data API. Categories include token balances, token prices, NFT ownership, transaction history, wallet intelligence, token risk, whale alerts, gas oracle, block reads and cross-chain comparison. Evidence-backed JSON settled in USDC on Base via x402. It is provided by api.cortexcloud.org — On-Chain Data & Intelligence API.
How much does api.cortexcloud.org — On-Chain Data & Intelligence API cost?
api.cortexcloud.org — On-Chain Data & Intelligence API is priced at $0.004 USDC per request, paid per call with no subscription. Verified with a $0.004 test payment on 6 Nov 2026. The exact amount for each call is in the HTTP 402 response before any money moves.
Do I need an API key or account to use api.cortexcloud.org — On-Chain Data & Intelligence API?
No. api.cortexcloud.org — On-Chain Data & Intelligence API uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.
Has api.cortexcloud.org — On-Chain Data & Intelligence API been verified?
Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-11-06.
How does an AI agent find api.cortexcloud.org — On-Chain Data & Intelligence API?
Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.
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