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nightmarket

Discover and pay for third-party API services with USDC on Base.

Updated Apr 5, 2026
Search Tags:#ai-agents#payment-flow#api-marketplace#nightmarket#on-chain-payments#usdc-base
One-click install
npx skills add https://github.com/balic-AI-ML-R-D-Resources/eliza_autonomous_agents --skill nightmarket
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nightmarket
Source: https://github.com/balic-AI-ML-R-D-Resources/eliza_autonomous_agents/tree/main/packages/skills/skills/nightmarket
Command: npx skills add https://github.com/balic-AI-ML-R-D-Resources/eliza_autonomous_agents --skill nightmarket

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Nightmarket solves the problem of discovering and paying for external API services for AI agents, removing the need to manage API keys or subscriptions.

Core Features & Use Cases

  • Discover and browse external API services
  • Pay for API calls automatically using USDC on Base
  • Enrich agents with data, analytics, or automation through external APIs

Quick Start

Install the Nightmarket skill, then search for a service and call it via the Nightmarket proxy URL, handling the 402 payment flow as prompted.

Frequently Asked Questions about nightmarket

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do AI agents pay for third-party API services automatically?▼

AI agents pay for third-party API services automatically by routing requests through a proxy URL and settling 402 Payment Required prompts using on-chain USDC payments on Base via CrowPay, removing the need to manage API keys.

What is a 402 Payment Required response in an API marketplace?▼

A 402 Payment Required response in an API marketplace indicates that an AI agent has encountered a paywall when requesting external data or automation services, triggering an on-chain USDC payment flow on the Base network to unlock the proxy call.

How do I handle on-chain USDC payments on Base for API marketplace access?▼

To handle on-chain USDC payments on Base for API marketplace access, you install the Nightmarket skill, route agent requests through its proxy URL, and process the resulting 402 payment flow automatically using CrowPay to unlock the external service.

Can I use MCP tooling for tool-based access to external API services?▼

Yes, you can use optional MCP tooling for tool-based access to external API services, enabling AI agents to discover, integrate, and pay for external data, analytics, or automation services seamlessly without managing individual API subscriptions.

Do I need API keys to enrich AI agents with external data services?▼

No, you do not need API keys to enrich AI agents with external data services when using a proxy call flow with on-chain USDC payments, because the system abstracts authentication and handles micro-transactions automatically via the API marketplace.

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