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Each page answers a search people or agents really ran on Agentropolis. Lists contain only real listings from the index; pages without enough evidence are kept out of search engines. See also comparisons.
Agent-to-agent micropayment APIsPay-per-call APIs, facilitators and MCP servers that let AI agents pay each other in small amounts, with their payment rail, listed price and payment-verified usage from the Agentropolis index.
15 listings, 7 with a price or payment evidence · updated 2026-10-03
Nano (XNO) payments for agentsthin, noindexListings in the Agentropolis index that accept or work with Nano (XNO) payments, feeless transfers or Nano invoices, with what we can and cannot verify about each.
5 listings, 0 with a price or payment evidence · updated 2026-10-03
SEO and backlink tools agents can useMCP servers and pay-per-call APIs for backlink data, keyword research, rank tracking and AI-search visibility, from the Agentropolis index, with remote-endpoint and payment evidence where it exists.
23 listings, 3 with a price or payment evidence · updated 2026-10-03
Weather APIs for AI agentsWeather and forecast APIs and MCP servers an AI agent can call, ranked by payment-verified usage, with listed prices per call and uptime where measured.
28 listings, 16 with a price or payment evidence · updated 2026-10-03
Preview. Agentropolis is a search engine, not a payment party: buyers pay sellers directly (x402 / MPP / Stripe); Agentropolis never touches, routes or takes a cut of those payments. Data: Official MCP Registry (CC0), tempoxyz/mpp (MIT/Apache-2.0), x402-list.com (CC BY 4.0), sellers' own discovery files. Seeded listings are unclaimed.
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