agent402.tools

• https://agent402.tools/api/yaml-to-json

  Parse YAML into JSON (safe schema - no code execution).

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/yield-curve-spread

  Derived 2s10s and 3m10y Treasury yield-curve spreads (in basis points) plus a boolean recession-signal flag when the curve is inverted. Source: FRED constant-maturity yields (public domain). No params.

  StellarMarket data

  n/a/ request

  2026-11-04

• https://agent402.tools/v1/audio/speech

  OpenAI-compatible text-to-speech over x402 - point any OpenAI SDK's audio.speech.create() at base_url https://agent402.tools/v1 and pay $0.06 per call in USDC, no API key, no signup. Served by Voxtral Mini TTS behind a …

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/audio/transcriptions

  OpenAI's own transcription wire: POST multipart/form-data with a `file` part and get the transcript back. Point any Whisper-shaped SDK at this gateway and pay per call with USDC, no account and no API key. Same model an…

  StellarWeb data

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/auto/chat/completions

  OpenAI-compatible chat completions with the model chosen server-side: omit model and the gateway routes the prompt to the top-ranked model for its task (code, reasoning, long-context, general) from a fixed eval-derived …

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/auto/gemini

  Google's native generateContent wire on the auto tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/auto/messages

  Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps and price a…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/auto/responses

  OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/auto and pay $0.01 per call in USDC, no API key, no signup. Same models, caps a…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/chat/completions

  OpenAI-compatible chat completions paid per call in USDC: point any OpenAI SDK at this base URL and send a normal chat request, with the model chosen from a curated list and streaming supported.

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/decisions

  OpenAI's Decisions API on its own wire: point an OpenAI SDK's base URL here and client.decisions.create works unchanged, paid per call. Send input (text, or user messages with input_text parts) and questions; get back a…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/embeddings

  OpenAI-compatible text embeddings (text-embedding-3-small by default; 3-large and ada-002 supported), up to 64 inputs or 16k chars per call, returned in the standard OpenAI shape. A repeat of identical inputs within 10 …

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/gemini

  Google's native generateContent wire on the base tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/grounded/chat/completions

  OpenAI-compatible chat completions GROUNDED in a live web search on every call: the gateway runs a live web search (up to 5 results) for the prompt, hands the results to the model, and returns the answer with url_citati…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/images/generations

  OpenAI-compatible image generation over x402 - point any OpenAI SDK's images.generate() at base_url https://agent402.tools/v1 and pay $0.08 per image in USDC, no API key, no signup. Served by FLUX.2 Pro with MAI-Image-2…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/ipo-report

  A deterministic digest of the IPO pipeline for a window: every 424B4 final prospectus and every S-1/F-1 registration from SEC EDGAR, each filer classified from its own submissions index as a first-time registrant (an IP…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/judge

  Ask a typed question about any content and get an answer your code can branch on, not prose to parse. Send state (the content, a string or object) and questions (your own ids mapped to question objects); get back answer…

  StellarDeveloper tools

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/judge/locate

  Find up to 4 things in one image: each comes back with whether it is there (a probability) and its box, as edges from 0 to 1. Preview: built on Jev features its maker labels experimental. Answers come from a model, not …

  StellarMedia

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/judge/long

  The typed questions of /v1/judge over a document of up to 900 KB (about 262k tokens), in one call. Preview: built on Jev features its maker labels experimental. Answers come from a model, not deterministic code.

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/judge/vision

  Ask typed questions about up to 4 images (PNG or JPEG) and get answers your code can branch on: noul (yes/no probability), choice, score, and box (where something is, as edges from 0 to 1). Name each image, then refer t…

  StellarMedia

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/messages

  Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1 and pay $0.02 per call in USDC, no API key, no signup. Same models, caps and price as thi…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/metered/chat/completions

  OpenAI-compatible chat completions priced from the request itself: the 402 quotes this exact body, from $0.001, and a buyer on the upto scheme settles the tokens actually used under that quote. Use it when an agent send…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/metered/gemini

  Google's generateContent wire priced from the request itself: the 402 quotes this exact body, from $0.001, with upto buyers settling actual usage. Use it when an agent built on the Gemini SDK needs a supported model pai…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/metered/messages

  The Anthropic Messages wire priced from the request itself: the 402 quotes this exact body, from $0.001, with upto buyers settling actual usage under the quote. Use it when an agent built on the Anthropic SDK, or Claude…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/metered/responses

  The OpenAI Responses wire priced from the request itself: each 402 quotes this exact body, from $0.001, and upto buyers settle actual usage under it. Use it when an agent built on the Responses API or the OpenAI Agents …

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/nano/chat/completions

  OpenAI-compatible chat completions, nano tier: gpt-6-luna (the default), gpt-5.6-luna, gpt-5-nano, gemini flash-lite, small llama/ministral/qwen, deepseek-chat - $0.003 per call in USDC over x402, priced for high-freque…

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/nano/gemini

  Google's native generateContent wire on the nano tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadat…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/nano/messages

  Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/nano and pay $0.003 per call in USDC, no API key, no signup.

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/nano/responses

  OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/nano and pay $0.003 per call in USDC, no API key, no signup.

  StellarAI models

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/premium/chat/completions

  OpenAI-compatible chat completions, premium tier: gpt-5, gpt-6 astra, o3 and o4-mini, claude opus, claude fable 5.1 - paid per call in USDC over x402. Same wire format as /v1/chat/completions with the largest caps (85k …

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/premium/gemini

  Google's native generateContent wire on the premium tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMeta…

  StellarAI models

  n/a/ request

  2026-10-28

• https://agent402.tools/v1/premium/messages

  Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/premium and pay $0.50 per call in USDC, no API key, no signup. Same models, caps and pric…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/premium/responses

  OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/premium and pay $0.50 per call in USDC, no API key, no signup. Same models, cap…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/pro/audio/transcriptions

  OpenAI's transcription wire on the ten-minute tier: POST multipart/form-data with a `file` part. Same model as /v1/audio/transcriptions with a longer cap, for a recording a four-minute route refuses.

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/pro/chat/completions

  OpenAI-compatible chat completions, pro tier: gpt-4o, gpt-4.1, gpt-6 sol, claude sonnet, gemini pro, grok - paid per call in USDC over x402. Same wire format as /v1/chat/completions with higher input/output caps (48k ch…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/pro/gemini

  Google's native generateContent wire on the pro tier. Send Gemini's own request shape (contents, systemInstruction, generationConfig, function declarations) and get Gemini's own response shape (candidates, usageMetadata…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/pro/messages

  Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps and price as…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/pro/responses

  OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key, no signup. Same models, caps an…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/v1/rerank

  Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with relevance_score), served by cohere/rerank-v3.5, $0.002 per call in USDC, no API key, no signup. Up to 50 …

  StellarOther

  n/a/ request

  2026-11-06

• https://agent402.tools/v1/responses

  OpenAI Responses API over x402 - point the OpenAI SDK's responses.create() (or the OpenAI Agents SDK) at base_url https://agent402.tools/v1 and pay $0.02 per call in USDC, no API key, no signup. Same models, caps and pr…

  StellarAI models

  n/a/ request

  2026-10-27

By chain

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Unknown. Prices are decoded only for USDC on Base and Solana.