Best Astrology APIs for Developers in 2026: Complete Comparison Guide

Choosing the right astrology API can make or break your product. Pick the wrong one and you are stitching together three different providers, paying triple, and still missing tarot and numerology. Pick the right one and you ship a full-featured spiritual app in a weekend.

The astrology API market has exploded. There are now over 15 providers, each with different strengths, pricing models, and domain coverage. Some only do Vedic astrology. Some only do horoscopes. Some bundle AI interpretation layers. And one covers eight spiritual domains under a single API key.

This guide compares the top astrology APIs available to developers in 2026, based on real features, real pricing, and real technical capabilities. Every pricing claim is based on publicly available pricing pages reviewed in March 2026.

What to Look for in an Astrology API

Before diving into specific providers, here is what actually matters when choosing an astrology API for production use:

• Domain coverage: Does it cover just astrology, or also tarot, numerology, dreams, I-Ching, crystals, angel numbers? Building a spiritual app with one provider is far simpler than juggling three.
• Vedic and Western support: Many apps need both systems. Some APIs only support one.
• Accuracy: Planetary position calculations must be precise. Look for engines validated against NASA JPL ephemeris data, such as Swiss Ephemeris or astronomy-engine.
• AI and MCP readiness: If you are building AI agents or chatbots, you need structured JSON responses, MCP server support, and AI-discoverable documentation.
• Documentation quality: Can an AI agent read your docs? Can a developer integrate in under an hour?
• Pricing model: Per-request vs subscription vs credit-based vs per-domain pricing changes your unit economics dramatically.
• Starter apps and examples: Complete, deployable application templates dramatically reduce time-to-ship.

Top Astrology APIs Compared

Here is a feature-by-feature comparison of the leading astrology API providers in 2026:

Key Takeaway

Most competitors are single-domain or dual-domain. Prokerala does Vedic astrology. VedicAstroAPI does Vedic and Western. AstrologyAPI.com splits domains into separate subscriptions. Nobody else covers astrology, tarot, numerology, I-Ching, dream interpretation, crystals, and angel numbers under one API key.

Detailed Provider Breakdown

RoxyAPI

Best for: Developers who need multiple spiritual domains under one key, AI agent builders, and anyone who wants to ship fast without stitching together multiple providers.

RoxyAPI covers eight domains: Western astrology, Vedic astrology, tarot, numerology, I-Ching, dream interpretation, crystals, and angel numbers. 110+ endpoints total. Every plan includes every API. There is no per-domain pricing or feature gating.

The platform is built AI-native from day one. It ships with native MCP servers for AI agent integration, llms.txt for AI discoverability, Scalar-powered OpenAPI documentation, and a free open-source AI chatbot built with Next.js that works with Gemini, Claude, or GPT.

Six free, open-source starter apps (5 mobile + 1 web chatbot) are available on GitHub. Clone and deploy in under 30 minutes. Browse all at roxyapi.com/starters.

Pricing:

• Starter: $39/mo (5,000 requests, all APIs)
• Professional: $149/mo (50,000 requests, all APIs)
• Business: $349/mo (200,000 requests, all APIs)
• Enterprise: $699/mo (1,000,000 requests, all APIs)

Strengths: Broadest domain coverage (8 domains), AI-native architecture, native MCP support, free starter apps, flat per-request pricing with no credit math.

Explore RoxyAPI documentation or view pricing.

Prokerala

Best for: Developers focused primarily on Vedic astrology who need a mature, established provider with a free tier.

Prokerala has been around since 2006 and offers one of the most complete Vedic astrology suites. It covers kundli generation, dasha systems, panchang, and compatibility matching. It also offers Western astrology and basic numerology endpoints. Provides sample API clients in PHP, C#, Python, and Ruby. Supports 5 Indian languages.

Pricing: Credit-based. Free plan with 5,000 credits/month. Paid plans at ₹999/mo, ₹2,499/mo, and ₹4,999/mo with increasing credit pools. Credit costs vary by endpoint: basic Panchang costs 10 credits, a Western natal chart costs 500 credits, and a Saturn transit PDF report costs 350,000 credits.

Strengths: Established accuracy, free tier, strong Vedic coverage, WordPress plugin, PDF reports. Limitations: No tarot, I-Ching, dreams, crystals, or angel numbers. No MCP server. No AI agent features. Credit-based pricing makes costs hard to predict across different endpoint types.

AstrologyAPI.com

Best for: Teams that need a large number of Vedic astrology endpoints or want to subscribe to specific domains individually.

AstrologyAPI.com offers 100+ astrology functions including matchmaking, planetary reports, KP astrology, and dasha predictions. Domains are sold as separate subscriptions. They provide a Postman collection for testing.

Pricing: Per-domain subscriptions. Indian astrology starts at ₹1,500/mo. Western astrology at ₹2,999/mo. Daily horoscopes at ₹3,500/mo. Tarot and numerology available as separate plans. Costs add up quickly if you need multiple domains.

Strengths: Large endpoint library, KP astrology support, matchmaking features, per-domain flexibility. Limitations: Multi-domain costs stack fast. No MCP or AI agent support. No free tier.

VedicAstroAPI

Best for: Developers who need Vedic and Western astrology with multi-language support and AI agent integration via MCP.

VedicAstroAPI offers Vedic astrology, Western astrology, and tarot endpoints with support for 21 languages. They provide an MCP server for AI agent integration, making them one of the few providers with agent-ready infrastructure.

Pricing: Call-based subscription plans. ₹1,499/mo (30,000 calls), ₹2,499/mo (75,000 calls), ₹3,999/mo (150,000 calls). 14-day free trial available.

Strengths: MCP server support, 21 language coverage, competitive pricing for high-volume Vedic use cases, free trial period. Limitations: No numerology, I-Ching, dreams, crystals, or angel numbers. No free starter apps.

Vedic Rishi

Best for: Indian astrology app developers building kundli-based products on a budget.

Popular among Indian developers for its affordable pricing and Vedic-specific features including panchang, nakshatra, dasha, and matchmaking tools. Supports Hindi and regional languages.

Pricing: Affordable tiered plans, generally lower cost than competitors.

Strengths: Budget-friendly, regional language support, strong Vedic focus. Limitations: Vedic only, no Western astrology, no other spiritual domains. Basic documentation.

Pricing Comparison: What Does Full Coverage Actually Cost?

Here is the real question most developers face: what does it cost to cover the domains your app needs?

The math is clear. If you need more than just astrology, a multi-domain provider saves significant cost and integration complexity.

AI Agent and MCP Readiness

This is the fastest-growing consideration for API selection in 2026. If you are building any kind of AI-powered product, your API choice must support agent workflows.

What AI-ready means in practice:

• MCP server: Your AI agent can discover and call the API through the Model Context Protocol standard
• llms.txt: AI systems can read your documentation and understand your capabilities automatically
• Structured JSON: Predictable, well-documented response schemas that agents can parse reliably
• OpenAPI with descriptions: Every field documented so agents know what data they are working with
• Starter apps: Deployable chatbot templates that work out of the box

Two distinct approaches exist in the market:

Data + MCP approach (RoxyAPI, VedicAstroAPI): Provides structured calculation data via MCP. AI agents auto-discover endpoints and call them as tools. Developers choose their own LLM (Gemini, Claude, GPT), control the system prompt, and own their brand voice. RoxyAPI covers 8 domains via MCP and ships a free open-source chatbot starter that demonstrates the full integration.

Built-in AI approach: Some newer providers offer a conversational endpoint where the AI interpretation is part of the API. One API call returns a natural language response. Simpler integration, but developers cannot choose their LLM, customize the AI voice, or extend beyond the domains that provider covers. If you want full control over your AI layer, the data + MCP approach gives you more flexibility.

When to Choose Each Provider

Choose RoxyAPI when:

• You need multiple spiritual domains (astrology + tarot + numerology + I-Ching + dreams + crystals + angel numbers)
• You are building AI agents or chatbots and want to choose your own LLM
• You want one API key, one integration, one bill for all domains
• You need both Vedic and Western astrology with KP system support
• You want MCP-native architecture with AI auto-discovery
• You want free starter apps to clone and ship in 30 minutes

Choose Prokerala when:

• You only need Vedic astrology
• You want a free tier to prototype
• You need an established provider with a long track record
• Budget is extremely tight and you only need basic astrology
• You need PDF reports or a WordPress plugin

Choose AstrologyAPI.com when:

• You need the largest number of Vedic astrology endpoints
• You want to pay only for specific domains you use
• Matchmaking is a core feature of your app

Choose VedicAstroAPI when:

• You need Vedic or Western astrology with multi-language support (21 languages)
• You want AI agent integration via MCP without building it yourself
• You are building for a high-volume use case and want competitive per-call pricing
• A free trial period matters for your evaluation process

Choose Vedic Rishi when:

• You are building for the Indian market specifically
• Regional language support matters
• You need the lowest possible per-call cost for Vedic features

The Multi-Domain Advantage

Here is what most comparison guides miss: the real cost of using multiple single-domain APIs is not just the subscription fees. It is the engineering time.

Every additional provider means:

• Another authentication system to manage
• Another set of documentation to learn
• Another error handling pattern to implement
• Another billing relationship to track
• Another point of failure in your production stack

If your app combines astrology readings with tarot pulls and numerology calculations (which is exactly what the top-grossing spiritual apps do), a single multi-domain API eliminates weeks of integration work.

For Developers: Getting Started

Ready to start building? Here is the fastest path to a working astrology integration:

1. Clone a starter app from roxyapi.com/starters or get an API key from your chosen provider
2. Read the API documentation and identify the endpoints you need
3. Start with birth chart generation as your first integration (it is the foundation for most astrology features)
4. Add domain-specific features like tarot, numerology, or daily horoscopes based on your product requirements
5. For AI chatbots, clone the Astrology AI Chatbot starter, add your API key and LLM key, and deploy to Vercel

RoxyAPI provides comprehensive documentation with code examples for every endpoint. Check our API docs to see the full capability set.

Frequently Asked Questions

Q: What is the most accurate astrology API in 2026? A: Accuracy depends on the underlying ephemeris engine. Providers using engines validated against NASA JPL data deliver the most accurate planetary calculations. Swiss Ephemeris and astronomy-engine (open source, MIT license, validated against JPL DE405) are the two most widely used engines. Both produce sub-arcminute precision for planetary positions. Always verify accuracy by comparing output against established reference points.

Q: Which astrology API supports both Vedic and Western astrology? A: RoxyAPI, Prokerala, AstrologyAPI.com, and VedicAstroAPI all support both Vedic and Western astrology systems. Most other providers focus exclusively on one system. If your app needs to serve users who follow different astrological traditions, choose a provider that covers both.

Q: Is there an astrology API with tarot and numerology included? A: RoxyAPI is currently the only API provider that bundles astrology (both Vedic and Western), tarot, numerology, I-Ching, dream interpretation, crystals, and angel numbers under a single API key with flat per-request pricing. AstrologyAPI.com offers tarot and numerology as separate paid subscriptions. All other providers require you to use separate services for non-astrology domains.

Q: What does MCP support mean for an astrology API? A: MCP (Model Context Protocol) is the emerging standard for connecting AI agents to external tools and data sources. An astrology API with MCP support means AI agents (built with Claude, GPT, or other LLMs) can discover and call your astrology endpoints automatically, without custom integration code. Currently, RoxyAPI and VedicAstroAPI offer MCP servers. This is increasingly important as AI-powered apps become the norm.

Q: How much does an astrology API cost for a startup? A: Costs vary widely. Free tiers exist (Prokerala offers 5,000 credits/month, FreeAstroAPI offers 50 free requests per day). Paid plans range from ₹1,499/month for single-domain Vedic astrology (VedicAstroAPI) to $39/month for multi-domain coverage across 8 spiritual domains (RoxyAPI). For startups, the key consideration is total cost across all domains you need, not just the per-call price for one domain.

Q: Can I use an astrology API to build a dating app? A: Yes. Compatibility and synastry (relationship chart comparison) endpoints are specifically designed for this use case. Look for APIs that offer birth chart comparison, aspect analysis between two charts, and compatibility scoring. The astrology dating app market is one of the fastest-growing segments in 2026.

Q: Which astrology API is best for AI chatbots? A: Two approaches exist. Some providers offer built-in AI chatbot endpoints where you send a question and birth data and their API returns a natural language response (simplest integration, but you cannot choose your LLM or customize the AI voice). RoxyAPI and VedicAstroAPI provide structured data via MCP that any AI agent can call as tools. RoxyAPI also ships a free open-source chatbot starter (full control: choose your LLM, customize the voice, cover 8 domains). The data + MCP approach gives you more flexibility and ownership.

Q: Is there a free astrology API? A: Several providers offer free tiers. FreeAstroAPI provides 50 free requests per day (up to 80 on higher tiers). Prokerala offers 5,000 free credits per month. VedicAstroAPI offers a 14-day free trial. RoxyAPI offers 20+ free interactive tool pages for end users and 6 free, open-source starter apps on GitHub. For sustained production use, paid plans typically start at $15-39/month.

Ready to build? Explore RoxyAPI for multi-domain spiritual intelligence, check pricing, or dive into the API documentation.