# LtcPricer — Institutional Litecoin (LTC) Block Explorer

> LtcPricer is an institutional-grade Litecoin (LTC) Block Explorer, Real-Time Fee Station, Token Security Auditor, and On-Chain Developer Platform (https://ltcpricer.com).

## Overview
LtcPricer powers lightning-fast, ad-free exploration for Litecoin (LTC) with instantaneous search, real-time live block feeds, transaction inputs/outputs decoding, LTC-20 token holding matrices, and UTXO diagnostic guides. Using high-frequency telemetry, mempool fee tracking, LTC-20 token scanning, and transaction decode engines, LtcPricer provides full transparency into the Litecoin ecosystem.

## Core Capabilities & Portals

### 1. Litecoin Block Explorer & Omnibar
- [Homepage & Omnibar Search](https://ltcpricer.com/): Search addresses, transactions, blocks, and LTC-20 tokens across the Litecoin Network.
- [Verified Transactions Stream](https://ltcpricer.com/txs): Full-width verified transaction stream with inputs, outputs, confirmations, block height, and transaction fees.
- [Verified Blocks Directory](https://ltcpricer.com/blocks): Real-time blocks directory with block height, transaction count, block size, difficulty, and mining rewards.
- [Pending Mempool Queue](https://ltcpricer.com/txs/pending): Live unconfirmed transactions sorted by fee rate priority (sat/vB).
- [Top LTC-20 Tokens Directory](https://ltcpricer.com/tokens): Ranked list of top Litecoin LTC-20 tokens with live pricing, liquidity, and holder analytics.
- [Cluster Node & RPC Status](https://ltcpricer.com/status): Live Litecoin node RPC latency (ms), block synchronization, and 99.99% uptime metrics.

### 2. Fee Station & Programmatic Action Guides
- [Litecoin Network Fee Tracker](https://ltcpricer.com/feetracker): Real-time mempool fee tracking, sat/vB fee rate recommendations, and 7-day x 24-hour congestion heatmap.
- [Wallet Fee Spent Analyzer & Twitter Rank](https://ltcpricer.com/gas-spent): Calculate lifetime LTC transaction fees paid by any wallet address, benchmark against real-world assets, and share rank cards on X.
- [Token Fee Cost Comparer (USDT/USDC)](https://ltcpricer.com/gas/token/usdt): Programmatic token fee calculator comparing Litecoin transfer fees against other blockchains.
- [Interactive Transaction Fee Calculator](https://ltcpricer.com/gas-calculator): Real-time USD fiat conversion calculator for native LTC transfers, LTC-20 token transfers, and custom fee rate scenarios.
- [Cost to Transfer USDT & Stablecoins](https://ltcpricer.com/gas/cost-to-transfer-usdt): Detailed fee breakdown for LTC-20 stablecoin transfers on Litecoin.
- [Cost to Transfer Native LTC](https://ltcpricer.com/gas/cost-to-transfer-ltc): Standard peer-to-peer LTC transfer fees with sat/vB fee rate scenarios and historical low-traffic windows.
- [Cost to Swap Tokens](https://ltcpricer.com/gas/cost-to-swap-tokens): Token swap and exchange fee estimation on Litecoin.
- [Cost to Bridge LTC](https://ltcpricer.com/gas/cost-to-bridge-ltc): Cross-chain bridging fee analysis and settlement times for Litecoin.
- [Cheapest Hours & Days for LTC Fees](https://ltcpricer.com/gas/cost-to-cheapest-hours): Empirical analysis of weekly fee patterns: optimal UTC low-congestion windows and weekend schedules.

### 3. Dedicated Litecoin Fee Hub
- [Litecoin Fee Hub](https://ltcpricer.com/gas/litecoin): Real-time fee telemetry, sat/vB fee rates, and 24h congestion heatmap for Litecoin.

### 4. Developer & Security Utilities
- [Live Whale & Smart Money Radar](https://ltcpricer.com/whales): Real-time stream of large Litecoin transfers ($250k to $10M+) with CEX inflow and wallet accumulation alerts.
- [Token Security Scanner](https://ltcpricer.com/scanner): Instant automated token security analyzer with risk scoring and supply verification.
- [Multi-Wallet Watchlist](https://ltcpricer.com/watchlist): Zero-login, 100% private client-side wallet portfolio tracker with localStorage persistence.
- [Transaction Script & Hex Decoder](https://ltcpricer.com/decoder): Decode raw transaction hex, scripts, and UTXO data into human-readable parameters.
- [Developer APIs & Real-Time Streams](https://ltcpricer.com/developer): High-performance REST APIs and real-time Server-Sent Events (SSE) telemetry.
- [Transaction Error Codes & Diagnostics Directory](https://ltcpricer.com/errors): Searchable directory of transaction error codes and diagnostic resolutions.
- [Token Security & Permissions](https://ltcpricer.com/token-approval): Review token permissions and address safety.
- [Address Poisoning & Dust Prevention Guide](https://ltcpricer.com/address-poisoning): Institutional guide and real-time detection heuristics protecting users from vanity lookalike clipboard spoofing.
- [Broadcast Raw Transaction](https://ltcpricer.com/pushtx): Broadcast signed raw transaction hex directly to Litecoin nodes.
- [Unit Converter](https://ltcpricer.com/unitconverter): Convert between satoshis, litoshis, LTC, and USD spot value.
- [Verified Entities & Labels Directory](https://ltcpricer.com/labels): Public catalog of verified foundation reserves, mining pools, institutional exchanges, and OTC desks.

### 5. Embeddable Fee Badges & Social Cards
- [Live Fee Badge (SVG)](https://ltcpricer.com/api/v1/badges/gas.svg): Dynamic live SVG shield badge for GitHub READMEs, docs, and apps (`?chain=ltc&style=flat|card`).
- [Dynamic OpenGraph Social Card](https://ltcpricer.com/api/v1/og/card.svg): Dynamic 1200x630px social preview cards for Twitter, Discord, and Telegram (`?title=...&subtitle=...&badge=...`).

### 6. Transaction Error Diagnostics Knowledge Base
- [LTC-20: Transfer Amount Exceeds Balance](https://ltcpricer.com/error/ltc20-transfer-amount-exceeds-balance): Sender does not possess enough token balance to fulfill the transfer request.
- [Transaction Underpriced / Fee Rate Too Low](https://ltcpricer.com/error/transaction-underpriced): Supplied fee rate (sat/vB) is below the minimum mempool relay fee.
- [Insufficient Funds for Transfer & Fee](https://ltcpricer.com/error/insufficient-funds-for-gas): Wallet does not hold enough confirmed LTC balance to cover the transfer amount and miner fees.
- [Missing or Spent Inputs / Double-Spend Detected](https://ltcpricer.com/error/nonce-too-low): Transaction inputs refer to UTXOs that do not exist or have already been spent.
- [Output Below Dust Threshold](https://ltcpricer.com/error/execution-reverted-stf): Transaction output value is smaller than the minimum non-dust threshold required by Litecoin network policy.
- [Transaction Size Exceeds Maximum Limit](https://ltcpricer.com/error/out-of-gas): Transaction virtual size (vB) exceeds standard network relay and block size constraints.
- [Slippage Exceeded](https://ltcpricer.com/error/slippage-too-low): Price moved unfavorably during transaction settlement beyond configured slippage tolerance.
- [Time-Lock Not Reached](https://ltcpricer.com/error/permit2-expired): Transaction nLockTime or relative sequence lock requirements have not elapsed.
- [Premature Coinbase Spend](https://ltcpricer.com/error/caller-not-owner): Attempted to spend newly mined block reward before reaching the mandatory 100 confirmation maturity window.
- [Invalid Signature / Verification Failure](https://ltcpricer.com/error/invalid-signature): Cryptographic SECP256k1 signature verification failed or signature script is malformed.
- [LTC-20: Insufficient Balance or Inscription Error](https://ltcpricer.com/error/ltc20-insufficient-allowance): Token operation failed due to missing balance or invalid inscription state.
- [Script Evaluation Failed](https://ltcpricer.com/error/transfer-failed): Custom locking script or OP_RETURN payload evaluation returned false or exceeded size bounds.
- [Mempool Eviction / Expired Transaction](https://ltcpricer.com/error/uniswap-expired): Transaction was dropped from the mempool queue due to low fee rate during sustained congestion.
- [RBF Replacement Fee Too Low](https://ltcpricer.com/error/cooldown-active): Replace-By-Fee (BIP-125) transaction failed to provide sufficient incremental fee to replace pending transaction.

## API Quick Reference

- Base URL: `https://ltcpricer.com/api/v1`
- OpenAPI Docs: `https://ltcpricer.com/docs`
- Complete Reference: [Full LLM Specification](https://ltcpricer.com/llms-full.txt)

### Key Endpoints:
- `GET /health` — Service health check
- `GET /api/v1/explorer/chains` — List supported Litecoin networks (Mainnet, Testnet)
- `GET /api/v1/explorer/vitals` — Live network vitals (Block height, fee rate, difficulty, hashrate, LTC price)
- `GET /api/v1/explorer/gas-matrix` — Real-time fee rate matrix across priority tiers
- `GET /api/v1/badges/gas.svg` — Embeddable live fee badge (SVG)
- `GET /api/v1/og/card.svg` — Dynamic OpenGraph social preview card (SVG)
- `GET /api/v1/explorer/gas/stream` — Real-time SSE fee rate stream
- `GET /api/v1/explorer/feed/stream` — Real-time SSE blocks & transactions stream
- `GET /api/v1/explorer/mempool/stream` — Real-time SSE pending mempool stream
- `GET /api/v1/explorer/tokens` — Top LTC-20 token directory data
- `GET /api/v1/explorer/typeahead?q={query}` — Fast omnibar autocomplete typeahead (tokens, entities, blocks, addresses)
- `GET /api/v1/explorer/search?q={query}` — Litecoin address, transaction hash, block, and token search resolver
- `GET /api/v1/explorer/errors` — List indexed transaction error diagnostic codes
- `GET /api/v1/ai/context` — Machine-readable system context for LLM agents & answer engines
- `GET /api/v1/ai/explain-tx/{tx_hash}` — Deterministic plain-English transaction synthesis for LLM citation
- `GET /api/v1/ai/explain-error/{error_code}` — Root-cause transaction error diagnosis and resolution for AI tools
- `GET /api/v1/ai/gas-advice` — Natural-language fee rate timing recommendation engine
- `POST /api/v1/alerts/gas/subscribe` — Web Push & Telegram low fee threshold alerts
- `POST /api/v1/alerts/watch/subscribe` — Real-time whale and address activity watcher
- `GET /api/v1/explorer/unitconverter` — Litecoin unit conversion (satoshis, litoshis, LTC, USD)
- `GET /labels` — Public directory of verified exchange wallets, mining pools, and institutional addresses
- `GET /api/v1/explorer/labels` — JSON API of indexed crypto services and verified wallet labels
- `GET /api/v1/explorer/address/{address}/export/csv` — RFC 4180 CSV export (Standard or Koinly/CoinTracker tax format)
- `GET /api/v1/explorer/address/{address}/export/json` — Structured portfolio & transaction activity JSON export
- `GET /api/v1/explorer/tx/{tx_hash}/export/json` — Single transaction receipt & audit JSON export

### 7. AI Agent Natural Language Query Engine API
- [AI Natural Language Query Engine](https://ltcpricer.com/api/v1/explorer/query?q=current+litecoin+fee): Programmatic REST API designed for LLMs and autonomous agents to resolve natural language questions regarding Litecoin fees, tokens, whales, timing, conversions, and transactions into deterministic structured data and Google QAPage JSON-LD.
- [AI Network Context](https://ltcpricer.com/api/v1/ai/context): Compressed real-time Litecoin network state for LLM prompt context injection.
- [AI Fee Advice](https://ltcpricer.com/api/v1/ai/gas-advice): Actionable fee timing and cost estimation for AI transaction execution.