Foundations Elements (search)
UI encyclopedia for agents. Call GET /mcp/elements/search. Full component specs, expected behaviors, and best practices for 0.02 USDC on Base. Free intake GET /mcp/start. Waitlist https://tensegrity.company/elements.
1 route settlement-verified · $0.02 USDC/request · 1 endpoint · Data · base network · x402 protocol
Verified routes
GET /mcp/elements/search· $0.02 · Verified with a $0.02 test payment on 3 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
- Foundations Elements
- Hosted at
foundations.tensegrity.works- Category
- Data
- Price
- $0.02 USDC per request
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-11-03
- Listed on PayAPI Market
- 2026-11-02
Try Foundations Elements
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 "https://foundations.tensegrity.works/mcp/elements/search"About this API
Foundations Elements is listed in the Data category with pricing at $0.02 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-03. 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.
Questions about this API
What does Foundations Elements do?
UI encyclopedia for agents. Call GET /mcp/elements/search. Full component specs, expected behaviors, and best practices for 0.02 USDC on Base. Free intake GET /mcp/start. Waitlist https://tensegrity.company/elements. It is provided by Foundations Elements.
How much does Foundations Elements cost?
Foundations Elements is priced at $0.02 USDC per request, paid per call with no subscription. Verified with a $0.02 test payment on 3 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 Foundations Elements?
No. Foundations Elements 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 Foundations Elements 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 2026-11-03.
How does an AI agent find Foundations Elements?
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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