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TOLLBOOTH Temporal Proof API

Verify what a public web resource showed at a specific time. Get machine-readable temporal evidence, provenance and change proofs for agent research, monitoring and audits.

1 route settlement-verified · $0.05 USDC/request · 1 endpoint / 1 tools · Data · base network · x402 protocol

Verified routes

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/mcp

Listing facts

Provider
TOLLBOOTH
Hosted at
tollbooth-x402-gateway-v121.temporal-labs.workers.dev
Category
Data
Price
$0.05 USDC per request
Endpoints
1
MCP tools
1
Payment networks
Base
Settlement-verified
1 route, last checked 2026-11-13
Listed on PayAPI Market
2026-08-30

Try TOLLBOOTH Temporal Proof 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://tollbooth-x402-gateway-v121.temporal-labs.workers.dev/prove"

About this API

TOLLBOOTH Temporal Proof API is listed in the Data category with pricing at $0.05 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-13. 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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Settlement-verified on PayAPI Market

Markdown

[![Settlement-verified on PayAPI Market](https://payapi.market/badge/tollbooth-temporal-proof-api.svg)](https://payapi.market/api/tollbooth-temporal-proof-api)

HTML

<a href="https://payapi.market/api/tollbooth-temporal-proof-api"><img src="https://payapi.market/badge/tollbooth-temporal-proof-api.svg" alt="Settlement-verified on PayAPI Market" height="20"></a>

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Questions about this API

What does TOLLBOOTH Temporal Proof API do?

Verify what a public web resource showed at a specific time. Get machine-readable temporal evidence, provenance and change proofs for agent research, monitoring and audits. It is provided by TOLLBOOTH.

How much does TOLLBOOTH Temporal Proof API cost?

TOLLBOOTH Temporal Proof API is priced at $0.05 USDC per request, paid per call with no subscription. Verified with a $0.05 test payment on 13 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 TOLLBOOTH Temporal Proof API?

No. TOLLBOOTH Temporal Proof 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 TOLLBOOTH Temporal Proof 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 2026-11-13.

How does an AI agent find TOLLBOOTH Temporal Proof 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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