# Services from prime-api-seven.vercel.app on Zero

> prime-api-seven.vercel.app serves 119 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/prime-api-seven.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/prime-api-seven.vercel.app/health.json

## Services

- [PrimeAPI Cron Expression Parser](https://www.zero.xyz/c/primeapi-cron-expression-parser-8ffe64bb/llms.txt): $0.067996/call via x402. Parses and interprets cron expression strings, returning human-readable schedule descriptions and next execution times
- [PrimeAPI QR Code Generator](https://www.zero.xyz/c/primeapi-qr-code-generator-9bdab476/llms.txt): $0.071198/call via x402. Generates a QR code image from a given text or URL input
- [PrimeAPI AI Sentiment Analysis](https://www.zero.xyz/c/primeapi-ai-sentiment-analysis-8f4ab529/llms.txt): $0.122078/call via x402. Analyzes the sentiment of a given text or search query, returning a sentiment classification and related data
- [PrimeAPI Geo Address Validate](https://www.zero.xyz/c/primeapi-geo-address-validate-a2108163/llms.txt): $0.060722/call via x402. Validates a geographic address string and returns standardized/verified address data
- [PrimeAPI Crypto Address Balance Lookup](https://www.zero.xyz/c/primeapi-crypto-address-balance-lookup-7dc42b9e/llms.txt): $0.130773/call via x402. Returns the cryptocurrency balance for a given blockchain wallet address
- [PrimeAPI Regex Generator](https://www.zero.xyz/c/primeapi-regex-generator-d6fa0504/llms.txt): $0.199877/call via x402. Generates a regular expression (regex) pattern based on a natural language description of the matching requirement
- [PrimeAPI Forex Currency Converter](https://www.zero.xyz/c/primeapi-forex-currency-converter-35d2c763/llms.txt): $0.060769/call via x402. Converts a monetary amount from one currency to another using live foreign exchange rates
- [PrimeAPI AI Image Describe](https://www.zero.xyz/c/primeapi-ai-image-describe-dfde0abe/llms.txt): $0.195281/call via x402. Analyzes an image and returns a natural language description of its contents
- [PrimeAPI Crypto Address Token Lookup](https://www.zero.xyz/c/primeapi-crypto-address-token-lookup-9f45f3de/llms.txt): $0.068725/call via x402. Retrieves the token holdings and balances for a given crypto wallet address
- [PrimeAPI Speed Unit Converter](https://www.zero.xyz/c/primeapi-speed-unit-converter-f0e28b57/llms.txt): $0.125741/call via x402. Converts speed values between different units of measurement (e.g. mph, km/h, m/s, knots)
- [PrimeAPI Text-to-Speech (TTS)](https://www.zero.xyz/c/primeapi-text-to-speech-tts-31f07361/llms.txt): $0.080678/call via x402. Converts text input into synthesized audio speech using an AI TTS engine, paid per call in USDC on Base.
- [PrimeAPI AI Hashtag Search](https://www.zero.xyz/c/primeapi-ai-hashtag-search-e35a80b7/llms.txt): $0.068188/call via x402. Searches for trending or relevant hashtags on X (Twitter) based on a query string
- [PrimeAPI Base64 Encode](https://www.zero.xyz/c/primeapi-base64-encode-44a022e7/llms.txt): $0.052518/call via x402. Encodes a given string or data into Base64 format
- [PrimeAPI Podcast Outline Generator](https://www.zero.xyz/c/primeapi-podcast-outline-generator-45c3a5f3/llms.txt): $0.098095/call via x402. Generates a structured podcast episode outline from a topic or search query
- [PrimeAPI Body Fat Calculator](https://www.zero.xyz/c/primeapi-body-fat-calculator-20ec51dc/llms.txt): $0.053455/call via x402. Calculates estimated body fat percentage based on input health and body measurement data
- [PrimeAPI Geo Isoline](https://www.zero.xyz/c/primeapi-geo-isoline-f1ed712d/llms.txt): $0.063111/call via x402. Generates isoline (isochrone/isodistance) contours around a geographic point based on travel time or distance
- [PrimeAPI QR Code Decoder](https://www.zero.xyz/c/primeapi-qr-code-decoder-e0d590e6/llms.txt): $0.095165/call via x402. Decodes a QR code image and extracts the embedded text or data from it
- [PrimeAPI URL Expander](https://www.zero.xyz/c/primeapi-url-expander-40197e50/llms.txt): $0.144662/call via x402. Expands shortened or obfuscated URLs to reveal the full destination URL
- [PrimeAPI SEO Meta Generator](https://www.zero.xyz/c/primeapi-seo-meta-generator-4a0fb90a/llms.txt): $0.099298/call via x402. Generates SEO meta tags and metadata for a given search query or topic
- [PrimeAPI Weight Converter](https://www.zero.xyz/c/primeapi-weight-converter-ff9e9228/llms.txt): $0.07817/call via x402. Converts weight values between different units of measurement (e.g. kilograms, pounds, ounces, grams)
- [PrimeAPI Geo ETA](https://www.zero.xyz/c/primeapi-geo-eta-a942f05d/llms.txt): $0.079088/call via x402. Calculates estimated travel time (ETA) between geographic locations using geospatial routing data.
- [PrimeAPI Crypto Address Transaction Lookup](https://www.zero.xyz/c/primeapi-crypto-address-transaction-lookup-03ac5e2e/llms.txt): $0.08826/call via x402. Retrieves transaction history for a given cryptocurrency wallet address
- [PrimeAPI Color Converter](https://www.zero.xyz/c/primeapi-color-converter-daf95675/llms.txt): $0.070734/call via x402. Converts color values between different color formats (e.g. HEX, RGB, HSL, HSV, CMYK)
- [PrimeAPI BMI Calculator](https://www.zero.xyz/c/primeapi-bmi-calculator-377e775f/llms.txt): $0.068968/call via x402. Calculates Body Mass Index (BMI) given height and weight inputs
- [PrimeAPI AI Email Reply Generator](https://www.zero.xyz/c/primeapi-ai-email-reply-generator-971466a2/llms.txt): $0.05036/call via x402. Generates a contextually appropriate AI-written reply to an email based on a provided query or email content
- [PrimeAPI YouTube Script Generator](https://www.zero.xyz/c/primeapi-youtube-script-generator-c25f5e84/llms.txt): $0.198008/call via x402. Generates a YouTube video script based on a search query or topic input
- [PrimeAPI PDF Extract](https://www.zero.xyz/c/primeapi-pdf-extract-8550841c/llms.txt): $0.078761/call via x402. Extracts text and content from PDF documents via a pay-per-call API using USDC on Base
- [PrimeAPI AI Code Explainer](https://www.zero.xyz/c/primeapi-ai-code-explainer-913a69e5/llms.txt): $0.055445/call via x402. Explains a snippet or concept of code in plain language using AI
- [PrimeAPI Geo Distance Calculator](https://www.zero.xyz/c/primeapi-geo-distance-calculator-450d798e/llms.txt): $0.117955/call via x402. Calculates the geographic distance between two coordinate points or locations
- [PrimeAPI NER — Named Entity Recognition](https://www.zero.xyz/c/primeapi-ner-named-entity-recognition-cc9b88e0/llms.txt): $0.140649/call via x402. Extracts named entities (people, organizations, locations, dates, etc.) from a text query using NLP
- [PrimeAPI HTML to Text Converter](https://www.zero.xyz/c/primeapi-html-to-text-converter-748a7669/llms.txt): $0.05686/call via x402. Converts HTML markup into plain text by stripping tags and extracting readable content
- [PrimeAPI Base64 Decode](https://www.zero.xyz/c/primeapi-base64-decode-aeb1d24b/llms.txt): $0.093112/call via x402. Decodes a Base64-encoded string back into its original plain text or binary representation
- [PrimeAPI Volume Unit Converter](https://www.zero.xyz/c/primeapi-volume-unit-converter-69c9d9de/llms.txt): $0.169016/call via x402. Converts a volume measurement from one unit to another (e.g. liters to gallons, milliliters to cups)
- [PrimeAPI JWT Decode](https://www.zero.xyz/c/primeapi-jwt-decode-bce04d35/llms.txt): $0.160058/call via x402. Decodes a JWT (JSON Web Token) to extract its header, payload, and signature components without verification
- [PrimeAPI Text Diff](https://www.zero.xyz/c/primeapi-text-diff-8a25e18d/llms.txt): $0.10891/call via x402. Computes and returns the textual difference (diff) between two input text strings
- [PrimeAPI Cover Letter Generator](https://www.zero.xyz/c/primeapi-cover-letter-generator-1df92498/llms.txt): $0.173236/call via x402. Generates a tailored cover letter based on job description and applicant background provided as input
- [PrimeAPI Barcode Generator](https://www.zero.xyz/c/primeapi-barcode-generator-4370f917/llms.txt): $0.052905/call via x402. Generates a barcode image from a given input string or product code
- [PrimeAPI URL Shortener](https://www.zero.xyz/c/primeapi-url-shortener-8fd564c2/llms.txt): $0.059672/call via x402. Shortens a long URL into a compact, shareable short link
- [PrimeAPI AI Slogan Generator](https://www.zero.xyz/c/primeapi-ai-slogan-generator-11d93679/llms.txt): $0.198687/call via x402. Generates a catchy marketing slogan for a given query or business/product description using AI
- [PrimeAPI AI Image Variations](https://www.zero.xyz/c/primeapi-ai-image-variations-41d98048/llms.txt): $0.110839/call via x402. Generates image variations from an input image or query using AI image processing
- [PrimeAPI AI Flashcard Generator](https://www.zero.xyz/c/primeapi-ai-flashcard-generator-3edf83fe/llms.txt): $0.16432/call via x402. Generates educational flashcards on a given topic or query using AI
- [PrimeAPI AI Email Generator](https://www.zero.xyz/c/primeapi-ai-email-generator-2b01f9f9/llms.txt): $0.152864/call via x402. Generates email content using AI based on a provided query or prompt
- [PrimeAPI AI Code Generator](https://www.zero.xyz/c/primeapi-ai-code-generator-bd914c8d/llms.txt): $0.088918/call via x402. Generates code snippets or programs from a natural language query using AI
- [PrimeAPI Length Converter](https://www.zero.xyz/c/primeapi-length-converter-50dd6bfd/llms.txt): $0.147418/call via x402. Converts a length value from one unit of measurement to another (e.g. meters to feet, inches to centimeters)
- [PrimeAPI Hash Verify](https://www.zero.xyz/c/primeapi-hash-verify-c8cde1d6/llms.txt): $0.131976/call via x402. Verifies the integrity of a hash value against input data
- [PrimeAPI Compound Interest Calculator](https://www.zero.xyz/c/primeapi-compound-interest-calculator-d258df96/llms.txt): $0.106656/call via x402. Calculates compound interest growth given principal, rate, and time parameters
- [PrimeAPI Geo Directions](https://www.zero.xyz/c/primeapi-geo-directions-065b673c/llms.txt): $0.144254/call via x402. Returns turn-by-turn directions between two locations via a geospatial routing query
- [PrimeAPI Area Unit Converter](https://www.zero.xyz/c/primeapi-area-unit-converter-3dc9cf48/llms.txt): $0.170571/call via x402. Converts area measurements between different units (e.g., square meters to acres, hectares to square feet)
- [PrimeAPI Pressure Unit Converter](https://www.zero.xyz/c/primeapi-pressure-unit-converter-93dd98e3/llms.txt): $0.189918/call via x402. Converts pressure values between different units (e.g. Pascal, bar, PSI, atm, mmHg)
- [PrimeAPI Geo Address Formatter](https://www.zero.xyz/c/primeapi-geo-address-formatter-c57fb193/llms.txt): $0.091725/call via x402. Formats and standardizes a raw address string or query into a canonical, structured address format
- [PrimeAPI Audio Transcription](https://www.zero.xyz/c/primeapi-audio-transcription-6fed4095/llms.txt): $0.187285/call via x402. Transcribes audio content into text using an AI-powered speech-to-text endpoint, paid per call in USDC on Base.
- [PrimeAPI Character Count](https://www.zero.xyz/c/primeapi-character-count-15a875cd/llms.txt): $0.144365/call via x402. Counts the number of characters in a given text string
- [PrimeAPI AI Image Generation](https://www.zero.xyz/c/primeapi-ai-image-generation-892cc26f/llms.txt): $0.192696/call via x402. Generates images from a text query or prompt using an AI image generation model, billed per call in USDC on Base.
- [PrimeAPI Instagram Caption Generator](https://www.zero.xyz/c/primeapi-instagram-caption-generator-42107bce/llms.txt): $0.093609/call via x402. Generates AI-written captions for Instagram posts based on a query or content description
- [PrimeAPI Energy Unit Converter](https://www.zero.xyz/c/primeapi-energy-unit-converter-c0a3a1f7/llms.txt): $0.196438/call via x402. Converts energy values between different units (e.g. joules, kilowatt-hours, calories, BTUs) via a pay-per-call API on Base
- [PrimeAPI Text Language Detection](https://www.zero.xyz/c/primeapi-text-language-detection-bea375da/llms.txt): $0.178905/call via x402. Detects the language of a given text input and returns the identified language.
- [PrimeAPI AI Caption Generator](https://www.zero.xyz/c/primeapi-ai-caption-generator-6509bffa/llms.txt): $0.097132/call via x402. Generates a text caption for a given query or subject using AI
- [PrimeAPI Text Readability Analyzer](https://www.zero.xyz/c/primeapi-text-readability-analyzer-8a04c338/llms.txt): $0.197271/call via x402. Analyzes the readability of a given text, returning readability scores and metrics to assess how easy the content is to understand.
- [PrimeAPI Grammar Checker](https://www.zero.xyz/c/primeapi-grammar-checker-9084f5cb/llms.txt): $0.184005/call via x402. Checks and corrects grammar in a given text string, returning grammar analysis or corrected output
- [PrimeAPI Mortgage Calculator](https://www.zero.xyz/c/primeapi-mortgage-calculator-6efc0ebd/llms.txt): $0.133379/call via x402. Calculates mortgage payments and related financial metrics given loan parameters
- [PrimeAPI AI Headlines](https://www.zero.xyz/c/primeapi-ai-headlines-7b0d25d7/llms.txt): $0.057405/call via x402. Fetches AI-curated news headlines based on a search query, returning current top stories relevant to the topic
- [PrimeAPI LinkedIn Post Search](https://www.zero.xyz/c/primeapi-linkedin-post-search-4c60559d/llms.txt): $0.057449/call via x402. Searches or retrieves LinkedIn post content based on a query string via a paid per-call API
- [PrimeAPI Crypto Smart Contract Read](https://www.zero.xyz/c/primeapi-crypto-smart-contract-read-cf419735/llms.txt): $0.059945/call via x402. Reads data from a deployed smart contract on a blockchain network by executing a read/call function
- [PrimeAPI Retirement Calculator](https://www.zero.xyz/c/primeapi-retirement-calculator-1b5bb31a/llms.txt): $0.189482/call via x402. Calculates retirement savings projections and financial planning estimates based on user-provided parameters
- [PrimeAPI AI Poem Generator](https://www.zero.xyz/c/primeapi-ai-poem-generator-45f8ce54/llms.txt): $0.068102/call via x402. Generates an original poem based on a text query or topic provided by the user
- [PrimeAPI Crypto Contract Verification](https://www.zero.xyz/c/primeapi-crypto-contract-verification-3359378e/llms.txt): $0.109163/call via x402. Verifies a smart contract on the blockchain, returning verification status and details
- [PrimeAPI Crypto Currency Converter](https://www.zero.xyz/c/primeapi-crypto-currency-converter-b76e3fba/llms.txt): $0.178097/call via x402. Converts cryptocurrency amounts between different currencies or tokens using current market rates
- [PrimeAPI Regex Test](https://www.zero.xyz/c/primeapi-regex-test-cd4b95f9/llms.txt): $0.144119/call via x402. Tests whether a given string matches a regular expression pattern, returning match results
- [PrimeAPI Twitter Thread Search](https://www.zero.xyz/c/primeapi-twitter-thread-search-2bc611e8/llms.txt): $0.056619/call via x402. Searches Twitter/X for threads matching a query, returning thread content and metadata
- [PrimeAPI Time Zone Converter](https://www.zero.xyz/c/primeapi-time-zone-converter-ca014f8e/llms.txt): $0.128199/call via x402. Converts a time from one timezone to another given a natural language or structured query
- [PrimeAPI SEO Keyword Research](https://www.zero.xyz/c/primeapi-seo-keyword-research-2e3f3893/llms.txt): $0.195451/call via x402. Generates or retrieves SEO keyword suggestions

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