API Acre
61 account-free x402 v2 APIs for deterministic code, document, web, public-record and Base data tasks, with OpenAPI, MCP, A2A and exact USDC pricing.
1 of 61 routes settlement-verified · $0.001–$0.25 USDC/request · 61 endpoints / 61 tools · Tools · base network · x402 protocol
Verified routes
/v1/crypto/base-block-inspect· $0.001 to $0.25 · Verified with a $0.001 test payment on 14 Aug 2026 · receipt
Other routes are unverified.
Networks: Base (settlement-verified), Solana (accepted)
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 Acre
- Hosted at
apiacre.com- Category
- Tools
- Price
- $0.001 to $0.25 USDC per request
- Endpoints
- 61
- MCP tools
- 61
- Payment networks
- Base, Solana
- Settlement-verified
- 1 route, last checked 2026-08-14
- Listed on PayAPI Market
- 2026-08-13
Try API Acre
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://apiacre.com/v1/crypto/base-block-inspect"About this API
API Acre is listed in the Tools category with pricing at $0.001–$0.25 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-08-14. 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 61 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.
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Questions about this API
What does API Acre do?
61 account-free x402 v2 APIs for deterministic code, document, web, public-record and Base data tasks, with OpenAPI, MCP, A2A and exact USDC pricing. It is provided by API Acre.
How much does API Acre cost?
API Acre is priced at $0.001 to $0.25 USDC per request, paid per call with no subscription. Verified with a $0.001 test payment on 14 Aug 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 Acre?
No. API Acre uses the x402 protocol, so an agent pays per request in USDC on Base, Solana and gets the response, with no API key, account or signup.
Has API Acre been verified?
Yes, 1 route of its 61 endpoints. 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 2026-08-14. Routes that were not paid for are unverified.
How does an AI agent find API Acre?
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.
More Tools APIs · Browse the marketplace · List your own API
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By API Acre