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x402engine.app

x402engine.app

x402engine — Search flights via Google Flights (SerpApi). Returns best flights, prices, airlines, and price insights.

Category
Service
Networks
Base
Starting price
$0.001
Paid calls, 30 days
1.5K

Paid endpoints

106 endpoints, sorted by usage. Prices are per request.

EndpointPriceNetworkCalls / 30d
POST/api/tts/elevenlabs

x402engine — Premium text-to-speech with ElevenLabs — ultra-realistic voices, multilingual support, custom voice IDs

$0.02Base787
GET/api/travel/flights

x402engine — Search flights via Google Flights (SerpApi). Returns best flights, prices, airlines, and price insights.

$0.02Base94
GET/api/crypto/price

x402engine — Real-time cryptocurrency prices for any coin in any fiat currency

$0.001Base93
POST/api/ipfs/pin

x402engine — Pin JSON, files, or URLs to IPFS for decentralized storage

$0.01Base85
POST/api/llm/kat-coder-pro-v2.5

x402engine — Kwaipilot's stronger coding model for complex software engineering tasks

$0.011Base48
GET/api/ens/resolve

x402engine — Resolve an ENS name to an Ethereum address

$0.001Base46
GET/api/crypto/trending

x402engine — Currently trending coins on CoinGecko

$0.001Base39
GET/api/travel/hotels

x402engine — Search hotels via Google Hotels (SerpApi). Returns properties with prices, ratings, and amenities.

$0.02Base33
GET/api/ens/reverse

x402engine — Reverse-resolve an Ethereum address to its ENS name

$0.001Base26
GET/api/token/metadata

x402engine — Token/asset metadata — name, symbol, decimals, chain info

$0.002Base18
GET/api/crypto/markets

x402engine — Market rankings with price, volume, market cap — filterable by category

$0.002Base15
POST/api/llm/gpt-5-nano

x402engine — OpenAI's cheapest GPT-5 tier — ultra-affordable for high-volume agent tasks

$0.0024Base11
POST/api/llm/llama

x402engine — Meta's open-source model — great general-purpose performance at very low cost

$0.0026Base9
POST/api/llm/glm-5.3-flash

x402engine — GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while

$0.0032Base8
GET/api/web/scrape

Scrape any URL and get clean markdown content — ideal for extracting readable text from web pages

$0.005Base7
GET/api/web/screenshot

x402engine — Capture a screenshot of any URL — returns base64-encoded image, supports full-page capture

$0.01Base7
POST/api/search/contents

x402engine — Fetch full text content from URLs — extract clean text from up to 10 pages at once

$0.005Base6
POST/api/search/web

x402engine — Neural web search with highlighted snippets — find articles, news, research, and any web content

$0.01Base6
POST/api/transcribe

Convert audio to text with speaker identification — covers up to 10 minutes of audio

$0.10Base6
POST/api/code/run

x402engine — Run code in isolated sandbox — Python, JavaScript, Bash, R (up to 5 min)

$0.005Base5
POST/api/embeddings

x402engine — Generate text embeddings using OpenAI text-embedding-3-small — for semantic search, clustering, RAG

$0.001Base5
POST/api/image/fast

x402engine — Quick image generation using FLUX Schnell (~2s, good for drafts)

$0.015Base5
POST/api/llm/muse-spark-1.1

x402engine — Meta's broad multimodal model with 1M context for media-rich agent workflows

$0.017Base5
GET/api/crypto/history

x402engine — Historical price, market cap, and volume data for any coin

$0.003Base3
POST/api/image/quality

x402engine — High-quality image generation using FLUX.2 Pro (~5s, production-ready)

$0.05Base3
POST/api/llm/deepseek-r1

x402engine — DeepSeek's reasoning model — chain-of-thought reasoning competitive with o3 at fraction of cost

$0.01Base3
POST/api/llm/glm-5.3

x402engine — GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves

$0.018Base3
POST/api/llm/gpt-5.2

OpenAI's latest flagship model — top-tier reasoning, coding, and multimodal capabilities

$0.035Base3
POST/api/llm/mistral

x402engine — Mistral's flagship model — strong European AI with great multilingual support

$0.024Base3
POST/api/llm/aion-3.0

x402engine — AionLabs' full reasoning model for analysis and structured generation

$0.031Base2
POST/api/llm/aion-3.0-mini

x402engine — AionLabs' compact reasoning model for efficient general-purpose inference

$0.0084Base2
POST/api/llm/claude-haiku-5.5

x402engine — Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...

$0.012Base2
POST/api/llm/claude-opus-5

x402engine — Anthropic's flagship model with 1M context for coding, analysis, and autonomous work

$0.109Base2
POST/api/llm/claude-opus-5.5

x402engine — Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...

$0.087Base2
POST/api/llm/claude-sonnet-5

x402engine — Anthropic's balanced frontier model with 1M context and strong coding performance

$0.044Base2
POST/api/llm/claude-sonnet-5.5

x402engine — Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...

$0.044Base2
POST/api/llm/command-a

x402engine — Cohere's flagship model — 256k context, strong for enterprise RAG and structured generation

$0.034Base2
POST/api/llm/deepseek

DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost

$0.005Base2
POST/api/llm/deepseek-v3.2

x402engine — DeepSeek's latest flagship model — improved reasoning and coding over V3 at same low cost

$0.0039Base2
POST/api/llm/deepseek-v3.2-speciale

x402engine — DeepSeek V3.2 served on the Speciale compatibility route — strong reasoning and coding at low cost

$0.0039Base2
POST/api/llm/deepseek-v4-pro

x402engine — DeepSeek's stronger V4 model — advanced reasoning, coding, and long-context analysis

$0.0096Base2
POST/api/llm/devstral

x402engine — Mistral's code-focused model — optimized for software development and technical tasks

$0.0073Base2
POST/api/llm/gemini-3-flash

x402engine — Google's next-gen flash model — fast and efficient for everyday tasks with improved quality

$0.013Base2
POST/api/llm/gemini-3.1-flash-lite

x402engine — Google's fastest and cheapest model — ideal for high-volume, low-latency tasks

$0.0072Base2
POST/api/llm/gemini-3.5-flash-lite

x402engine — Google's low-cost multimodal model for high-volume agent workloads

$0.0074Base2
POST/api/llm/gemini-3.6-flash

Google's latest fast multimodal model with a 1M-token context window

$0.012Base2
POST/api/llm/gemini-flash

Google's fast model — great balance of speed, quality, and cost for everyday tasks

$0.012Base2
POST/api/llm/gemini-pro

Google's most capable model — strong at reasoning, coding, and multimodal tasks

$0.042Base2
POST/api/llm/glm

x402engine — Zhipu AI's flagship model — strong multilingual and reasoning performance

$0.0085Base2
POST/api/llm/gpt-4o

x402engine — OpenAI's flagship multimodal model — strong all-around for text, vision, and reasoning

$0.034Base2
POST/api/llm/gpt-4o-mini

x402engine — Fast, affordable GPT-4o variant — great for simple tasks and high-volume use

$0.0034Base2
POST/api/llm/gpt-5.1

x402engine — OpenAI's efficient flagship model — strong all-around performance at lower cost than GPT-5.2

$0.026Base2
POST/api/llm/gpt-5.2-codex

x402engine — OpenAI's code-specialized reasoning model — optimized for software engineering tasks

$0.035Base2
POST/api/llm/gpt-5.3-codex

x402engine — OpenAI's SOTA agentic coding model — best-in-class for software engineering and code generation

$0.035Base2
POST/api/llm/gpt-5.6-luna

x402engine — OpenAI's efficient GPT-5.6 tier with a 1M-token context window

$0.0077Base2
POST/api/llm/gpt-5.6-luna-pro

x402engine — OpenAI's higher-compute Luna tier for efficient long-context reasoning

$0.0077Base2
POST/api/llm/gpt-6-luna

x402engine — GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...

$0.0043Base2
POST/api/llm/grok

x402engine — xAI's current Grok 4 route — strong reasoning and real-time knowledge

$0.026Base2
POST/api/llm/grok-4.5

x402engine — xAI's latest multimodal model with 500k context and strong tool use

$0.048Base2
POST/api/llm/grok-4.7

x402engine — Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...

$0.048Base2
POST/api/llm/grok-code

x402engine — xAI's build-focused model — code generation, analysis, and agentic implementation work

$0.021Base2
POST/api/llm/hy3

x402engine — Tencent's efficient reasoning model with a 262k-token context window

$0.0032Base2
POST/api/llm/inkling

x402engine — Thinking Machines' multimodal model for text, image, and audio understanding

$0.015Base2
POST/api/llm/kimi

Moonshot AI's flagship model — strong reasoning and long-context capabilities

$0.008Base2
POST/api/llm/llama-4-maverick

x402engine — Meta's latest open model — 1M context, strong multilingual and reasoning at very low cost

$0.0039Base2
POST/api/llm/longcat-2

x402engine — Meituan's long-context model for reasoning, coding, and high-volume inference

$0.0054Base2
POST/api/llm/mimo-v2.6-flash

x402engine — MiMo-V2.6-Flash is an open-source foundation model developed by Xiaomi. Built on a Mixture-of-Experts architecture with 309B total parameters and 15B activated per token, it employs a hybrid attention mechanism for...

$0.0028Base2
POST/api/llm/mimo-v2.6-pro

x402engine — MiMo-V2.6-Pro is the flagship foundation model developed by Xiaomi. Built at a scale of over 1T parameters, it is designed to push the ceiling of capability for the most demanding...

$0.0058Base2
POST/api/llm/minimax

x402engine — MiniMax's efficient model — fast and affordable for everyday tasks

$0.005Base2
POST/api/llm/minimax-m2.7

x402engine — MiniMax's latest model — improved reasoning and generation with 204k context

$0.0054Base2
POST/api/llm/minimax-m3

x402engine — MiniMax's multimodal foundation model — 1M context for agentic work, coding, and long-document tasks

$0.0054Base2
POST/api/llm/mistral-large-4

x402engine — Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. It offers a 512K-token context window with up...

$0.0093Base2
POST/api/llm/o4-mini

x402engine — OpenAI's latest small reasoning model — fast chain-of-thought for math, coding, and analysis

$0.016Base2
POST/api/llm/perplexity

Search-augmented LLM — answers grounded in real-time web search with citations

$0.045Base2
POST/api/llm/qwen

x402engine — Alibaba's flagship open model — excellent multilingual and coding capabilities

$0.0045Base2
POST/api/llm/qwen-coder

x402engine — Alibaba's code-specialized model — optimized for code generation, review, and technical tasks

$0.0035Base2
POST/api/llm/qwen3.5

x402engine — Alibaba's latest model — 1M context, strong multilingual and coding capabilities

$0.0067Base2
POST/api/llm/qwen3.7-max

x402engine — Alibaba's flagship Qwen 3.7 model — 1M context for agent-centric coding and productivity tasks

$0.021Base2
POST/api/llm/qwen3.7-plus

x402engine — Alibaba's cost-effective Qwen 3.7 model — 1M context with strong coding and multilingual support

$0.016Base2
POST/api/llm/qwen3.8-omni-flash

x402engine — Qwen3.8 Omni Flash is an omni-modal reasoning model from Alibaba, the first Qwen model built around agentic capabilities with native audio-video understanding. It is suited for audio-video analysis and summarization,...

$0.0032Base2
POST/api/llm/seed

x402engine — ByteDance's flagship model — competitive reasoning and generation at low cost

$0.011Base2
POST/api/token/prices

x402engine — Real-time DEX-derived token prices with OHLC data — up to 200 tokens per request

$0.005Base2
POST/api/tx/simulate

x402engine — Simulate EVM transactions before sending — get gas estimates, execution traces, and revert reasons

$0.01Base2
POST/api/image/gpt-image-2.5

x402engine — Generate one 1024×1024 PNG with GPT Image 2.5 Flare at high quality

$0.25Base1
POST/api/image/nano-banana

Google's fast, high-quality image generation with aspect ratio control and optional web search

$0.10Base1
POST/api/image/text

Image generation with accurate text rendering using Ideogram v3 (best for logos, signage)

$0.12Base1
POST/api/llm/claude-fable-5.1

x402engine — Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual

$0.217Base1
POST/api/llm/claude-opus

x402engine — Anthropic's most powerful model — best for complex analysis, coding, and extended thinking

$0.109Base1
POST/api/llm/claude-opus-4.5

x402engine — Anthropic's previous-gen Opus — strong reasoning and creative writing, large context window

$0.109Base1
POST/api/llm/claude-opus-4.8

x402engine — Anthropic's latest Opus model — premium analysis, coding, and long-context autonomous work

$0.109Base1
POST/api/llm/claude-sonnet

x402engine — Anthropic's balanced model — excellent coding, reasoning, and creative writing

$0.119Base1
POST/api/llm/claude-sonnet-4.6

x402engine — Anthropic's latest balanced model — excellent coding, reasoning, and creative writing

$0.066Base1
POST/api/llm/gemini-3-pro

x402engine — Google's Gemini 3.1 Pro Preview on the Gemini Pro compatibility route — advanced reasoning, coding, and multimodal understanding

$0.057Base1
POST/api/llm/gemini-3.1-pro

x402engine — Google's latest flagship — advanced reasoning, coding, and multimodal with extended thinking

$0.057Base1
POST/api/llm/gpt-5.2-pro

x402engine — OpenAI's premium reasoning model — extended thinking for complex math, science, and coding problems

$0.406Base1
POST/api/llm/gpt-5.4

x402engine — OpenAI's unified flagship model — 1M context, computer use, top-tier across all tasks

$0.071Base1
POST/api/llm/gpt-5.6-sol-pro

x402engine — OpenAI's maximum-compute GPT-5.6 tier for the hardest agent tasks

$0.059Base1
POST/api/llm/gpt-5.6-terra

x402engine — OpenAI's balanced GPT-5.6 tier for advanced reasoning and agent workflows

$0.064Base1
POST/api/llm/gpt-5.6-terra-pro

x402engine — OpenAI's higher-compute Terra tier for demanding reasoning workloads

$0.064Base1
POST/api/llm/gpt-6.1-sol

x402engine — GPT-6.1 Sol is an upgrade to GPT-6 Sol from OpenAI, positioned below the flagship GPT-6 Astra in the GPT-6 series. It is suited for agentic coding, computer use, document-heavy professional...

$0.059Base1
POST/api/llm/o1

x402engine — OpenAI's reasoning model — excels at math, science, coding, and multi-step problem solving

$0.198Base1
POST/api/tts/openrouter

x402engine — Voxtral Mini TTS through OpenRouter; 30 voices, MP3 audio, up to 2000 UTF-8 bytes of text

$0.06Base1
POST/api/video/animate

x402engine — Animate a public image into a 5-second video with Kling V3 Pro

$0.70Base1
POST/api/video/fast

Generate a 5-second video with Kling V3 Standard in landscape, portrait, or square format

$0.55Base1
POST/api/video/minimax-h3

x402engine — Generate a 5-second 768P landscape video with native audio using MiniMax H3

$1.22Base1
POST/api/wallet/transactions

x402engine — Transaction history with asset transfers and labels for any wallet

$0.005Base1

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