Demand Hash API

SHA-256 and related cryptographic hash meters for AI agents. Pay-per-call USDC on Base and Solana via x402. Deterministic digests, no keys.

1 of 8 routes settlement-verified · $0.001–$0.01 USDC/request · 8 endpoints · Tools · base network · x402 protocol

Verified routes

• POST /sha256 · $0.001 to $0.01 · Verified with a $0.001 test payment on 19 Sep 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/mcp

Listing facts

Provider

Demand

Hosted at

x402-hash-api.vercel.app

Category

Tools

Price

$0.001 to $0.01 USDC per request

Endpoints

8

Payment networks

Base, Solana

Settlement-verified

1 route, last checked 2026-09-19

Listed on PayAPI Market

2026-09-18

Try Demand Hash 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://x402-hash-api.vercel.app/sha256"

About this API

Demand Hash API is listed in the Tools category with pricing at $0.001–$0.01 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-09-19. 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 8 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.

Questions about this API

What does Demand Hash API do?

SHA-256 and related cryptographic hash meters for AI agents. Pay-per-call USDC on Base and Solana via x402. Deterministic digests, no keys. It is provided by Demand.

How much does Demand Hash API cost?

Demand Hash API is priced at $0.001 to $0.01 USDC per request, paid per call with no subscription. Verified with a $0.001 test payment on 19 Sep 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 Demand Hash API?

No. Demand Hash API 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 Demand Hash API been verified?

Yes, 1 route of its 8 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 2026-09-19. Routes that were not paid for are unverified.

How does an AI agent find Demand Hash 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.

More Tools APIs · Browse the marketplace · List your own API

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