MapleAI

Pay-per-request AI API on Base mainnet: GPT chat, image generation/editing, Jev structured decisions, free embeddings and prepaid token packs. Skilled via the OpenAI-compatible HTTP interface in additionalInterfaces; every paid endpoint answers HTTP 402 with a x402 payment challenge first.

Skills

• GPT chat completions
  OpenAI-compatible chat completions with 14 chat models, priced per token. Exact quote in the 402 challenge.
  chatllm
• OpenAI Responses API
  OpenAI Responses API (alpha) translated to chat completions upstream.
  chatresponses
• Anthropic Messages API (Claude)
  Native Anthropic Messages API for the Claude family (haiku/sonnet/opus, see GET /v1/models): system prompt, content blocks, SSE events, required max_tokens. Same per-token x402 pricing.
  chatanthropicclaude
• Free embeddings
  2048-dim embeddings via nvidia/nemotron-3-embed-1b; free, no payment, up to 128 strings per call.
  embeddingsfreesearch
• Text-to-speech synthesis
  OpenAI-compatible TTS (tts-1, tts-1-hd, orpheus-english, orpheus-arabic); WAV audio, $0.0150 per request.
  audiottsspeech
• Audio transcription
  OpenAI-compatible transcription (whisper-1 id, Gemini backend); multipart file or JSON base64, $0.0060 per request.
  audiostttranscription
• Free gpt-oss-20b chat
  Free nvidia/gpt-oss-20b chat completions; rate-limited 10/10min + 100/day per agent IP, max 2048 output tokens. No payment required.
  chatfreegpt-oss
• Image generation
  Image generation with 7 models, priced per image and size.
  image
• Image editing
  Edit a PNG, JPEG or WebP supplied as a base64 data URI (maximum 10 MB).
  imageediting
• Structured decisions
  Structured decisions via jev-latest: named questions (noul/choice/score) with instructions in, JSON answers out. $0.06/1M input tokens.
  decisionstructured
• Buy a prepaid API key
  Issues a prepaid bearer key for one GPT or Claude model (100000-1000000 token budget). Spend it with no x402 at https://base.mapleai.shop/prepaid/v1/chat/completions (Bearer).
  prepaidbudget
• Check prepaid key status
  Free validity and token-budget check for an oms_buy_ key: GET https://base.mapleai.shop/prepaid/status (or https://mapleai.shop/v1/prepaid/status) with the key as Bearer.
  prepaidfree

How to call

https://base.mapleai.shop

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