:::note
**TL;DR**

- Prokerala covers Vedic and Western astrology only. RoxyAPI covers 10+ domains under one API key.
- Prokerala uses a credits wallet where different endpoints consume different credit amounts (a kundli call burns more credits than a daily horoscope), with a 50 query free tier. RoxyAPI uses flat per-request subscription tiers from $39 to $699: every endpoint is exactly 1 request, no per-endpoint variance.
- For AI agents and chatbots: RoxyAPI ships 10+ remote MCP servers, TypeScript and Python SDKs, and llms.txt. Prokerala does not.
- Pick Prokerala for astrology-only apps at very low volume. Pick RoxyAPI for multi-domain apps and AI-native builds.
:::

**About the author:** Brett Calloway is a Developer Advocate and AI Integration Specialist with 12 years of experience building APIs and developer tooling, including three years focused on AI-native infrastructure for spiritual and wellness applications. He writes on building context-rich AI agents using Model Context Protocol, drawing on a developer relations background.

Prokerala is one of the most established names in astrology APIs. Operating since 2006, it has served as a reference standard for Vedic astrology calculations for nearly two decades. If you have ever evaluated astrology APIs, Prokerala was probably on your list.

RoxyAPI is the public face of Roxy Ephemeris, a calculation engine that powered production astrology and spiritual apps internally for nearly half a decade across millions of users before launching as a separate API SaaS. Hundreds of production edge cases (DST transitions, half-hour timezone offsets, high-latitude births, calendar-skip dates, retrograde stationary points, leap-second alignment, and more) were faced and patched in that time. The verified-accuracy receipts are public on the [methodology page](/methodology "RoxyAPI methodology: 800+ gold-standard tests, NASA JPL Horizons benchmark, public MIT-licensed dataset"). Instead of focusing on one domain, RoxyAPI bundles 10+ spiritual data domains under a single API key and is built AI-native from the ground up.

Both are serious options. But they serve different needs and different product visions. This comparison lays out the facts so you can choose the right one for your project.

## Quick Comparison Table

| Feature | RoxyAPI | Prokerala |
|---------|---------|-----------|
| **Founded** | 2024 | 2006 |
| **Western Astrology** | Yes | Yes |
| **Vedic Astrology** | Yes | Yes |
| **Tarot** | Yes | No |
| **Numerology** | Yes | No |
| **I-Ching** | Yes | No |
| **Dream Interpretation** | Yes | No |
| **Crystals** | Yes | No |
| **Angel Numbers** | Yes | No |
| **Biorhythm** | Yes | No |
| **Location** | Yes | No |
| **Total Domains** | 10+ | 2 (Vedic + Western) |
| **Total Endpoints** | 130+ | Astrology-only |
| **Coordinate Systems** | Tropical + Sidereal | Tropical + Sidereal |
| **Ayanamsa Options** | Multiple | Lahiri primarily |
| **KP System** | Yes | Partial |
| **Remote MCP Server** | Yes | No |
| **llms.txt** | Yes | No |
| **AI Agent Ready** | Yes | No |
| **OpenAPI Documentation** | Scalar (interactive) | Basic reference |
| **Free Tier** | No | 50 queries/month |
| **Pricing Model** | Flat per-request subscription (every endpoint = 1 request) | Credits wallet (different endpoints cost different credits) |

## Domain Coverage: The Biggest Difference

This is where the two providers diverge most significantly.

**Prokerala** focuses on astrology. It does astrology very well. Vedic kundli generation, dasha calculations, panchang, matchmaking, and Western birth charts are all covered. If your app only needs astrology and nothing else, Prokerala is a capable choice.

**RoxyAPI** covers 10+ domains: Western astrology, Vedic astrology, tarot, numerology, I-Ching, dreams, crystals, angel numbers, biorhythm, and location. Every plan includes every domain. There is no per-domain pricing.

**Why this matters in practice:**

The highest-grossing spiritual apps in 2026 combine multiple modalities. Users who check their horoscope also pull tarot cards. Users who calculate their birth chart also want their life path number. Apps that offer this variety have higher engagement, longer sessions, and better retention.

With Prokerala, adding tarot means finding and integrating a second API provider. Adding numerology means a third. Adding I-Ching and dreams? Good luck finding providers at all.

With [RoxyAPI](/products "RoxyAPI products: 10+ spiritual data domains, one API key, flat pricing"), all 10+ domains are one integration, one API key, one bill.

Ready to build a multi-domain spiritual app? [RoxyAPI](/products "production-ready API across 10+ spiritual data domains") gives you tarot, numerology, I-Ching, dreams, crystals, angel numbers, biorhythm, plus Western and Vedic astrology in one subscription. [See pricing](/pricing "RoxyAPI pricing tiers from $39 per month").

## Vedic Astrology: Head to Head

Both providers offer strong Vedic astrology coverage. Here is the detailed comparison:

| Vedic Feature | RoxyAPI | Prokerala |
|---------------|---------|-----------|
| Kundli generation | Yes | Yes |
| Nakshatras (27) | Yes | Yes |
| Vimshottari Dasha | Yes | Yes |
| Dasha sub-periods | Yes | Yes |
| Panchang | Yes | Yes |
| Ashtakoota matching | Yes | Yes |
| Manglik Dosha | Yes | Yes |
| Kaal Sarp Dosha | Yes | Yes |
| Sade Sati | Yes | Yes |
| Divisional charts | Yes | Yes |
| KP System | Yes | Partial |
| Multiple Ayanamsas | Yes | Lahiri primarily |
| Yoga detection | Yes | Yes |

The Vedic coverage is comparable. Prokerala has the advantage of a longer track record and is widely used as an accuracy reference. RoxyAPI adds KP system support and multiple ayanamsa options, which matter for developers serving different astrological traditions.

## Western Astrology: Head to Head

| Western Feature | RoxyAPI | Prokerala |
|-----------------|---------|-----------|
| Birth chart | Yes | Yes |
| Planetary positions | Yes | Yes |
| House systems | Multiple | Multiple |
| Aspects | Yes | Yes |
| Zodiac signs | Yes | Yes |
| Tropical zodiac | Yes | Yes |
| Sidereal zodiac | Yes | Yes |
| Transits | Yes | Yes |

Both providers cover Western astrology fundamentals. No significant gaps on either side for core chart calculations.

## AI and Agent Readiness

This is where the difference is stark.

**RoxyAPI:**
- Ships 10+ remote MCP servers, one per domain, no local install required
- TypeScript SDK on npm (`@roxyapi/sdk`) and Python SDK on PyPI (`roxy-sdk`), both with bundled `AGENTS.md`
- 7 open-source MIT starter apps (chatbot, mobile, widgets) covering common builds
- Free WordPress plugin with shortcodes, available on all tiers
- Provides `llms.txt` and `llms-full.txt` for AI discoverability
- OpenAPI documentation with Scalar (interactive, detailed field descriptions)
- Every response field has descriptions written for both humans and AI agents
- Structured JSON designed for tool-call consumption
- 800+ gold-standard tests verified against NASA JPL Horizons, public MIT-licensed benchmark repo (210 reference points across 21 charts)

**Prokerala:**
- Standard REST API
- No MCP server
- No llms.txt
- Basic API reference documentation
- Not designed for AI agent consumption

In 2026, this matters. The agentic AI market is projected to reach $52 billion by 2030. 40% of enterprise apps will embed AI agents by year end. If you are building anything with AI, chatbots, agents, LLM-powered features, MCP support and AI-optimized documentation are not nice-to-haves. They are requirements.

## Documentation Quality

**Prokerala** provides functional API documentation with endpoint descriptions, parameter lists, and response examples. It gets the job done. Developers can integrate without major issues.

**RoxyAPI** uses Scalar-powered OpenAPI documentation with interactive API exploration, detailed field descriptions that explain what each value means and how to use it, and examples throughout. The documentation is explicitly designed for two readers: human developers and AI agents.

For developers who want to integrate quickly, the documentation quality difference translates to faster onboarding and fewer support requests.

## Pricing Comparison

### Prokerala Pricing
- Free tier: 50 queries/month
- Paid plans: credits-based wallet (e.g. 100,000 credits for ₹2,500 with 3-month validity)
- **Endpoints consume different credits.** A simple daily horoscope might cost 1 credit, a full kundli with divisional charts and dasha tree can cost 10+ credits per call. Effective $/call varies by endpoint mix, typically $0.03-0.30 per call once you weight credits by what your app actually queries
- Covers astrology only (Vedic + Western)

### RoxyAPI Pricing
- Starter: $39/month (25,000 requests, all 10+ domains)
- Professional: $149/month (200,000 requests, all 10+ domains)
- Business: $349/month (750,000 requests, all 10+ domains)
- Enterprise: $699/month (3,000,000 requests, all 10+ domains)

### Cost Scenarios

**Scenario 1: Astrology-only app, 25,000 requests/month**

Cost depends heavily on endpoint mix because Prokerala charges different credits per endpoint. A kundli-heavy app burns through credits much faster than a daily-horoscope app at the same call count.

| Provider | Monthly Cost |
|----------|-------------|
| Prokerala (light endpoints) | ~$200 |
| Prokerala (kundli + dasha + KP heavy) | ~$1,000+ |
| RoxyAPI | $39 (Starter plan, every endpoint = 1 request) |

**Scenario 2: Astrology + Tarot + Numerology app, 10,000 requests/month**

| Provider | Monthly Cost |
|----------|-------------|
| Prokerala + separate tarot + separate numerology | $500-1,500+ (3 providers) |
| RoxyAPI | $39-149 (one plan, all included) |

**Scenario 3: High-volume astrology app, 200,000 requests/month**

| Provider | Monthly Cost |
|----------|-------------|
| Prokerala (light endpoints) | ~$1,500 |
| Prokerala (kundli + dasha + KP heavy) | ~$8,000+ |
| RoxyAPI | $149 (Professional plan, every endpoint = 1 request) |

The pricing advantage shifts heavily toward RoxyAPI at scale, and even more so when multiple domains are involved or when the app leans on heavy compound endpoints (full kundli, divisional charts, multi-level dasha).

### The Free Tier Question

Prokerala offers 50 free queries per month. RoxyAPI does not have a free tier. For prototyping and testing, this gives Prokerala an advantage. You can validate your concept without spending anything.

However, 50 queries is extremely limited for any real testing. A single user session might generate 3-5 API calls. That gives you 10-15 test sessions before you need to pay anyway.

## When to Choose Prokerala

**Choose Prokerala when:**

- You only need astrology (Vedic and/or Western) and nothing else
- You want a free tier to prototype before committing any budget
- You value a long track record and established reputation
- Your app serves a Vedic astrology audience exclusively
- You do not need AI agent features, MCP, or llms.txt
- Your request volume is very low (under 50/month for the free tier)

Prokerala is a solid, mature astrology API. It has earned its reputation over nearly two decades. If astrology is all you need and you do not care about AI-native features, it remains a viable choice.

## When to Choose RoxyAPI

**Choose RoxyAPI when:**

- You need multiple spiritual domains (astrology + tarot + numerology + more)
- You are building AI agents, chatbots, or LLM-powered features
- You want MCP server support and AI-discoverable documentation
- You need both Vedic and Western astrology with multiple ayanamsa options
- You want KP system support
- You want one API key, one integration, one bill for everything
- Your request volume makes subscription pricing more economical than per-call
- You value premium documentation with interactive exploration

[RoxyAPI](/products "RoxyAPI products: 10+ spiritual data domains, one API key, flat pricing") is designed for builders who want to ship fast, cover multiple domains, and stay ready for the AI-native future.

## Migration Considerations

If you are currently using Prokerala and considering switching:

**What transfers easily:** Both APIs accept similar inputs (birth date, time, latitude, longitude, timezone). Response data covers the same astrological concepts. The core integration pattern is the same: send birth details, receive chart data.

**What changes:** Endpoint paths and response structure differ. Field names will be different. You will need to update your API client code. Plan for 1-2 weeks of migration work depending on how deeply integrated your current solution is.

**What you gain:** Additional domains (tarot, numerology, I-Ching, dreams, crystals, angel numbers, biorhythm, location) without new integrations, 10+ remote MCP servers for AI agent features, TypeScript and Python SDKs, 7 OSS starter apps, free WordPress plugin, and potentially significant cost savings at scale.

## The Bottom Line

Prokerala and RoxyAPI solve the same core problem (astrology calculations for apps) but target different product visions:

- **Prokerala** is for apps that need astrology and only astrology, built with traditional REST integration.
- **RoxyAPI** is for apps that need a complete spiritual intelligence layer, built for the AI-native era.

The market is moving toward multi-domain, AI-native products. The top-grossing spiritual apps combine multiple modalities. AI agents need structured, discoverable APIs. If your product roadmap points in this direction, choosing RoxyAPI now saves you from a migration later.

## Frequently Asked Questions

**Q: Is RoxyAPI as accurate as Prokerala for Vedic astrology?**
A: Both providers use high-precision ephemeris engines for planetary calculations. RoxyAPI is verified against NASA JPL Horizons with 800+ gold-standard tests, cross-referenced against authoritative sources (DrikPanchang, JyotishApp, onlinejyotish.com, timeanddate.com). The benchmark repository is open-source MIT at github.com/RoxyAPI/astrology-api-benchmark with 210 reference points across 21 charts. For core calculations (planetary positions, nakshatras, dashas), accuracy is comparable to Prokerala and other established providers. Always verify against reference charts for your specific use case.

**Q: Does Prokerala offer tarot or numerology?**
A: No. Prokerala focuses exclusively on astrology (Vedic and Western). For tarot, numerology, I-Ching, or dream interpretation, you would need additional providers.

**Q: Can I use both providers together?**
A: Yes. Some developers use Prokerala for specific Vedic calculations and RoxyAPI for additional domains (tarot, numerology) or AI features. However, managing two providers adds complexity. Most teams prefer consolidating to one.

**Q: Which provider has better uptime?**
A: Prokerala has a two-decade track record. RoxyAPI provides production-grade infrastructure. Both serve production traffic reliably. Check the status pages on each provider site for current uptime metrics.

**Q: Is Prokerala cheaper for low-volume usage?**
A: Prokerala offers 50 free queries/month, which is cheaper than any paid plan for extremely low volumes. However, once you exceed the free tier, Prokerala bills credits per endpoint (a kundli call costs more credits than a daily horoscope), so the effective cost depends on which endpoints your app calls. The RoxyAPI subscription model ($39/month for 25,000 requests across all domains, every endpoint costs the same 1 request) is typically more economical and easier to forecast once any compound endpoint enters the mix.

**Q: Which is better for building an AI chatbot?**
A: RoxyAPI, definitively. It ships with an MCP server for AI agent integration, llms.txt for discoverability, and documentation designed for AI consumption. Prokerala does not offer AI-native features. Building an AI chatbot with Prokerala requires significantly more custom integration work.

Explore the full comparison yourself. Visit [RoxyAPI products](/products "RoxyAPI products: 10+ spiritual data domains, one API key, flat pricing"), view [pricing](/pricing "RoxyAPI pricing tiers from $39 per month"), or dive into the [API reference](/api-reference "interactive RoxyAPI documentation with live test sandbox").