24 live endpoints · x402 · USDC on Base

Developer Documentation

Every endpoint is a standalone pay-per-call AI service. Send a prompt, pay in USDC on Base via the x402 protocol, get the result. No API keys, no signup, no subscriptions required.

1

Pick an endpoint

21 paid AI services from $0.10 (plus a free /api/demo) to $15.00 per call. All take a JSON prompt.

2

Pay with x402

The 402 response tells you the exact USDC amount. Sign a transfer on Base to 0xD98b6969fab0bA4D4BB086fF273ff7ccD284CEe8.

3

Get the result

Retry with the PAYMENT-SIGNATURE header. The AI output comes back in JSON.

Free

EndpointDescriptionPathPrice
Demo (free)One real LLM answer, no payment/api/demo$0.00
AI PingCheapest paid call — smoke test the full x402 flow/api/ping$0.01

Strategy

EndpointDescriptionPathPrice
AI Strategy ConsultationExpert AI strategy from a senior consultant/api/consultation$5.00

Automation

EndpointDescriptionPathPrice
Automation Workflow DesignEnd-to-end AI automation plans/api/automation$15.00
AutoFlowEnd-to-end AI workflow orchestration/api/autoflow$1.50

Conversational

EndpointDescriptionPathPrice
Conversational ChatbotFriendly conversational AI responses/api/chatbot$1.00

Agents

EndpointDescriptionPathPrice
Web AgentAutonomous web task planning & execution/api/webagent$1.80

Analysis

EndpointDescriptionPathPrice
Economic Simulation EngineScenario simulation & outcome modeling/api/simulation$2.00

Creative

EndpointDescriptionPathPrice
WorldBuilderDetailed fictional worlds with consistent lore/api/worldbuilder$2.00
PuzzleForgePuzzle & riddle generation and solving/api/puzzles$0.80
StoryForgeCompelling stories & narrative generation/api/storyforge$0.60
Character EngineRich, consistent fictional characters/api/character$0.10

Developer

EndpointDescriptionPathPrice
MCPConformMCP server conformance & scoring/mcp$2.00
DeskBotDesktop app development & automation guidance/api/desktop$1.50
ArenaJuryAI model benchmarking arena/api/arena$1.20
TemporalMindTemporal.io workflow design & debugging/api/temporal$0.80

Business

EndpointDescriptionPathPrice
EventOpsEvent planning & operations for hospitality agents/api/event-ops$2.50
NegotiatorGrokNegotiation strategy & tactics/api/negotiator$1.50

Knowledge

EndpointDescriptionPathPrice
Perfect Recall AgentPrecise memory recall & context retrieval/api/recall$0.20
RAGCheckRAG answers with citations/api/rag$1.50
LongQADeep long-form question answering/api/longqa$1.00

Data

EndpointDescriptionPathPrice
QueryMindText-to-SQL & query optimization/api/sql$1.20
SheetFlowSpreadsheet formulas & data automation/api/sheets$1.00

Design

EndpointDescriptionPathPrice
Design Artifact PipelineUI/UX design recommendations & systems/api/design$0.80

x402 Payment Protocol

x402 is the HTTP 402 payment protocol for AI agents. Every Mazza Group endpoint supports it natively — your agent can pay without human intervention.

Network

Base Mainnet (eip155:8453)

Token

USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)

Pays To

0xD98b6969fab0bA4D4BB086fF273ff7ccD284CEe8

POST https://mazzagrp.com/api/rag
Content-Type: application/json

{"prompt": "query your data"}

-- Response: HTTP 402 with paymentRequirements
{
  "x402Version": 1,
  "error": "X-PAYMENT header is required",
  "accepts": [{
    "scheme": "exact",
    "network": "eip155:8453",
    "maxAmountRequired": "1000000",
    "payTo": "0xD98b6969fab0bA4D4BB086fF273ff7ccD284CEe8",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  }]

-- Pay: sign USDC transfer, send PAYMENT-SIGNATURE header, retry

Quick Start

Via MCP (recommended)

{
  "mcpServers": {
    "mazzagrp": {
      "url": "https://mazzagrp.com/mcp"
    }
  }
}

Works with Claude Desktop, Cursor, and any MCP client. All 22 endpoints exposed as tools (incl. free /api/demo).

Via raw HTTP

curl -X POST https://mazzagrp.com/api/recall \
  -H "Content-Type: application/json" \
  -d '{"prompt": "your question"}'

# -> 402 with payment requirements
# -> sign USDC on Base
# -> retry with PAYMENT-SIGNATURE