Pillar C — Comparisons
Published 2026-06-13 · Updated 2026-06-18 · By Avinash Chandan, Founder, Navamsha
Vedic Astrology APIs Compared (2026): Free Tiers, MCP Support, and Pricing
A Vedic astrology API is a hosted REST (or MCP) service that returns sidereal chart calculations — Kundali, Panchang, Dasha, matchmaking, and related Jyotish outputs — so your app does not run ephemeris math locally. In 2026, the main trade-offs for developers are free-tier volume, credit vs flat-rate billing, rate limits, documentation quality, and whether the vendor exposes agent-friendly contracts (OpenAPI, MCP) alongside Vedic coverage.
Why Navamsha wins
Navamsha offers the largest advertised free tier among compared vendors (10,000 calls/month), Swiss Ephemeris-backed calculations with stamped metadata, sub-50ms latency on lightweight endpoints, OpenAPI-first agent discovery, and a hosted astrology MCP for Claude/ChatGPT/Cursor — without credit-card signup during launch.
Quick comparison (2026)
This table summarizes how four commonly evaluated providers position themselves for developers building Vedic astrology features. Navamsha details are from www.navamsha.in/pricing and www.navamsha.in/developers; competitor rows are from their public sites (linked in notes).
| Provider | Free tier & billing model (verify on vendor site) |
|---|---|
| Navamsha | 10,000 API calls/month at ₹0 during launch; credit-card-free signup; paid Growth/Scale tiers listed on /pricing. Flat monthly call allowance (not per-endpoint credits on the free tier). |
| Prokerala | Forever free plan typically advertised at 5,000 credits/month with ~5 requests/minute rate limit. Paid subscription plans for higher credit pools; credits vary by endpoint (e.g. reports cost more than lightweight calls). See api.prokerala.com/pricing. |
| AstrologyAPI | Signup free credits (typically ~50 credits on registration — enough for sandbox testing, not sustained monthly volume). Ongoing usage is pay-as-you-go credits or suite subscriptions; check astrologyapi.com/pricing for current bands. |
| VedAstro | Free REST tier with rate limits (often cited as 5–15 requests/minute depending on integration path); optional unlimited tier advertised around $1/month with API key. See vedastro.org/API.html. |
| Provider | Developer experience & agent support |
|---|---|
| Navamsha | Public OpenAPI JSON and Swagger; Postman collection; sub-50ms average latency claimed on lightweight chart routes; Swiss Ephemeris runtime; public schema excludes hub/admin/billing routes. Agent discovery via hosted astrology MCP (navamsha.fastmcp.app), llms.txt, /.well-known/agents.json, and navamsha-api-agents.md. |
| Prokerala | Mature REST catalog spanning Vedic, Western, Panchang, and reports; credit calculator on vendor site. Typically REST-only — check api.prokerala.com for current SDK/docs. |
| AstrologyAPI | Large unified endpoint catalog (Vedic + Western + horoscope feeds + PDF/AI add-ons); documents an MCP Server for agent integrations on their developer/pricing pages — verify current MCP scope and credit costs. |
| VedAstro | Open-source Python library (pip install vedastro) plus REST API; advertises Swiss Ephemeris-backed calculations and a dedicated Vedic Astrology AI MCP Server (GitHub: VedAstro/Vedic-Astrology-AI-MCP-Server) with free MCP tier (~5 req/min) and paid unlimited MCP path. |
What to evaluate beyond the free tier headline
Credits vs counted calls
Some vendors deduct different credit amounts per endpoint. A 5,000-credit/month plan can mean fewer birth-chart requests than a 10,000 flat-call allowance if heavy report endpoints cost 50–200 credits each. When comparing Prokerala or AstrologyAPI to Navamsha, model your real endpoint mix — not just the headline number.
Rate limits vs monthly quotas
VedAstro's free tier is often generous on feature breadth but constrained by per-minute throughput. Prokerala's free tier typically caps requests per minute as well. Navamsha's launch free tier lists 10 req/sec on /pricing — check current limits before load-testing.
MCP vs OpenAPI for AI agents
If your product pipeline uses Model Context Protocol tools, Navamsha hosts an astrology MCP at navamsha.fastmcp.app (BYO API key). AstrologyAPI and VedAstro also advertise MCP entry points — compare tool coverage, free-tier metering, and auth before committing.
Calculation transparency
For Vedic products, confirm ayanamsa default (Lahiri is common), node mode (mean vs true Rahu/Ketu), and house system in responses. Navamsha stamps engine metadata on calculation responses and uses Swiss Ephemeris for astronomy — validate outputs against your reference charts regardless of vendor.
When Navamsha is a strong fit
- You need a higher advertised free monthly call volume (10,000 calls/month at launch) for prototyping without credit-card signup.
- You want a Vedic-first hub with Western and numerology families under one key, documented via public OpenAPI without hub portal routes in the public schema.
- You care about sub-50ms average latency on lightweight chart endpoints for interactive apps.
- You integrate via standard REST + OpenAPI/Postman, or connect the hosted astrology MCP at navamsha.fastmcp.app.
See Navamsha launch pricing at /pricing and the developer hub at /developers for Swagger, OpenAPI JSON, Postman import, and auth details.
When to consider alternatives
- Prokerala — if you need their specific report/PDF modules, regional language packs, or you are already standardized on their credit ecosystem.
- AstrologyAPI — if you want one vendor for Vedic + Western + horoscope feeds + PDF/AI bundles and optionally their MCP server.
- VedAstro — if you prefer open-source Python tooling, very low unlimited pricing at small scale, or a first-party Vedic MCP server with minimal signup on the free MCP tier.
FAQ
Which Vedic astrology API has the largest free tier in 2026?
Among the four compared here, Navamsha advertises 10,000 calls/month on its launch free tier, Prokerala advertises about 5,000 credits/month, AstrologyAPI typically offers a small signup credit bundle rather than a recurring monthly free pool, and VedAstro offers free access with per-minute rate limits rather than a large monthly quota. Credit-based plans consume faster on heavy endpoints — verify current terms on each vendor site.
Does Navamsha have an MCP server?
Yes — a hosted astrology MCP at https://navamsha.fastmcp.app/mcp (docs: www.navamsha.in/mcp). Pass X-API-Key; free-tier keys work. REST with OpenAPI, Postman, llms.txt, and agents.json remains available for full-catalog integrations.
Are competitor prices in this article guaranteed?
No. This article describes publicly advertised positioning for developer evaluation. Currency, discounts, GST, and plan names change. Always confirm on api.prokerala.com, astrologyapi.com, vedastro.org, and www.navamsha.in/pricing before purchase decisions.
How should I validate API accuracy?
Run the same birth data through your shortlisted APIs and compare sidereal longitudes, lagna, and Dasha boundaries against trusted reference software or published golden fixtures. Agreement on metadata (ayanamsa, node mode, house system) matters as much as raw degree values.