Superstables · Office #41,647

What it is

Calls itself “payment router”.

• Calls itself: payment router

“Superstables, the payment router for AI agents”

Where it puts itself

Rules out “Does the directory execute payments? No.”.

• Says it will not: Does the directory execute payments? No.

“Does the directory execute payments? No. It indexes and probes. It does not route, execute or settle payments and never holds funds.”

What it costs

A free tier, free forever. No monthly plan. Prices quoted: $0.31 –0.48.

• Monthly: no
• Free plan: free forever
• Price: $0.31 –0.48

“$0.31 –0.48”

“JSON API Full index, CORS open, soft limit of 300 requests per minute. Free”

Who it sells to

Sells to developers.

• Sells to: developers

“The open-source Superstables client lets an agent that can run commands, such as Claude Code or Codex, pay for services.”

How it runs

A API. Offers an API. Open source. AI is the core of the product. Built with Google Analytics.

• Kind: api
• API: yes
• Open source: yes
• AI role: core to the product
• Analytics: Google Analytics

“Public JSON API and OpenAPI spec, no key required”

“Explore the index API Find services through the public JSON API or read-only MCP tools, with no key or account.”

What it works with

Names Robinhood Chain on its pages.

• Names: Robinhood Chain

“Agents pay for data, compute and tools on any rail, and put idle stablecoins to work: RWA yield vaults and tokenized stocks, powered by Robinhood Chain and USDG .”

“Superstables indexes APIs, data feeds and compute that accept stablecoin payments over x402 and MPP, and probes each endpoint for payment challenges.”

What it offers as proof

In beta. Try it without signing up. Publishes docs.

• Stage: beta
• Trial asks for: nothing

“Superstables Testnet Discover Roadmap Buy $STBL”

“Find services through the public JSON API or read-only MCP tools, with no key or account.”