VVektorIndex

Developer API Index

Every API developers actually use —spec-audited, side-by-side

Stop reading marketing pages. See real rate limits, real pricing at scale, real compliance certifications, and real integration lists — all sourced from official documentation. 51 tools and counting.

Rate limits

requests/min, per tier

True pricing

at scale, not entry price

Compliance

GDPR, POPIA, SOC2, HIPAA

Regions

incl. ZA data residency

Popular comparisons

Supabase vs Firebase →Vercel vs Railway →OpenAI vs Anthropic →Stripe vs Paddle →Clerk vs Auth0 →Zapier vs Make →Resend vs SendGrid →Algolia vs Typesense →Sentry vs Datadog →PostHog vs Mixpanel →

AI & LLM API

6 tools

Compare OpenAI, Anthropic, Groq, Gemini and others by token limits, pricing per 1M tokens, and rate caps.

Anthropic Claude API

AI Application Developers

From $0/mo300 req/minSOC2GDPR
Google Gemini API

AI Application Developers

From $0/mo60 req/minSOC2GDPR
Groq

AI Application Developers

From $0/mo30 req/minSOC2
Mistral AI

AI Application Developers

Free tier600 req/minGDPRSOC2
OpenAI API

AI Application Developers

From $0/mo500 req/minSOC2GDPR
Replicate

ML Engineers & AI Developers

From $0/mo60 req/minSOC2
Anthropic Claude API vs Google Gemini APIAnthropic Claude API vs GroqGoogle Gemini API vs GroqGoogle Gemini API vs Mistral AIGroq vs Mistral AIGroq vs OpenAI API

Authentication & Identity

3 tools

Clerk vs Auth0 vs Supabase Auth — MAU pricing, SSO support, and Next.js integration depth.

Auth0

Enterprise Developers

From $23/moSOC2GDPR
Clerk

SaaS Developers

From $25/moSOC2GDPR
Okta

Enterprise IT & Security Teams

From $2/mo200 req/minGDPRSOC2
Auth0 vs ClerkAuth0 vs OktaClerk vs Okta

Cloud Hosting & Edge

7 tools

Vercel, Railway, Fly.io, AWS — latency, pricing, ZA data residency, and serverless cold starts.

AWS

Enterprise & SaaS Developers

From $0/moGDPRCCPA
DigitalOcean

Developers & Tech Startups

From $4/mo250 req/minGDPRSOC2
Fly.io

Backend & API Developers

From $0/moSOC2GDPR
Netlify

Frontend Developers & Agencies

From $0/moGDPRSOC2
Railway

Full-Stack & Backend Developers

From $5/moSOC2GDPR
Render

SaaS Developers

From $0/moGDPRSOC2
Vercel

SaaS Developers

From $20/mo1000 req/minSOC2GDPR
AWS vs DigitalOceanAWS vs Fly.ioDigitalOcean vs Fly.ioDigitalOcean vs NetlifyFly.io vs NetlifyFly.io vs Railway

Database & Backend

7 tools

Supabase vs Firebase vs Neon vs PlanetScale — RLS, branching, pricing at scale.

Firebase

Mobile & Web Developers

From $0/moSOC2GDPR
MongoDB

Application Developers

From $0/mo1000 req/minGDPRSOC2
Neon

SaaS Developers

From $19/moSOC2GDPR
Pinecone

AI & ML Engineers

From $0/mo2000 req/minGDPRSOC2
Supabase

SaaS Developers

From $25/mo500 req/minGDPRSOC2
Supabase

Open Source Firebase Alternative

From $25/mo500 req/minSOC2GDPR
Weaviate

AI Infrastructure Engineers

From $0/moGDPRSOC2
Firebase vs MongoDBFirebase vs NeonMongoDB vs NeonMongoDB vs PineconeNeon vs PineconeNeon vs Supabase

Developer Tools

1 tool

GitHub, Linear, Sentry — the tools your team uses every day, spec-audited.

GitHub

Software Development Teams

From $4/mo5000 req/minSOC2GDPR

Email API

3 tools

Resend vs SendGrid vs Postmark — deliverability, pricing per send, and developer DX.

Postmark

SaaS Developers

From $15/moGDPRSOC2
Resend

SaaS Developers

From $20/moGDPRSOC2
SendGrid

Developers & Marketing Teams

From $19.95/moGDPRCCPA
Postmark vs ResendPostmark vs SendGridResend vs SendGrid

Monitoring & Observability

2 tools

Sentry vs Datadog vs PostHog — error budgets, session replay, and cost at 1M events.

Datadog

DevOps & Platform Engineering

From $15/mo300 req/minSOC2GDPR
Sentry

Software Development Teams

From $26/moSOC2GDPR
Datadog vs Sentry

Payment Processing API

4 tools

Stripe vs Paddle vs Lemon Squeezy — MoR, ZA support, VAT handling.

Lemon Squeezy

SaaS & Digital Product Developers

From $0/moGDPRPCI-DSS
Paddle

SaaS Developers

From $0/moGDPRCCPA
PayFast

E-Commerce & SaaS Businesses

From $0/mo60 req/minPOPIAPCI-DSS
Stripe

SaaS & E-Commerce Developers

Free tier100 req/minGDPRCCPA
Lemon Squeezy vs PaddleLemon Squeezy vs PayFastPaddle vs PayFastPaddle vs StripePayFast vs Stripe

Product Analytics

4 tools

PostHog vs Mixpanel vs Amplitude — event pricing, self-hosting, GDPR controls.

Amplitude

Product Teams & Growth Marketers

From $49/moGDPRCCPA
Hotjar

Product & UX Teams

From $0/moGDPRCCPA
Mixpanel

Product Teams & Growth Marketers

From $24/moGDPRCCPA
PostHog

SaaS Developers & Product Teams

From $0/moGDPRSOC2
Amplitude vs HotjarAmplitude vs MixpanelHotjar vs MixpanelHotjar vs PostHogMixpanel vs PostHog

Search & Discovery API

2 tools

Algolia vs Typesense — sub-100ms search, open-source options, record pricing.

Algolia

E-Commerce & SaaS Developers

From $0/moGDPRSOC2
Typesense

SaaS & Developer Teams

From $0/moGDPRSOC2
Algolia vs Typesense

SMS & Communication API

1 tool

Twilio vs alternatives — ZA virtual numbers, WhatsApp API, POPIA-compliant sender IDs.

Twilio

App Developers & DevOps

Free tier100 req/minGDPRCCPA

Workflow Automation

2 tools

Zapier vs Make — operations pricing, polling delays, API call support.

Make

Developers & Power Users

From $9/moGDPRSOC2
Zapier

Operations & No-Code Teams

From $19.99/moGDPRCCPA
Make vs Zapier

Media & Storage API

1 tool

Cloudinary — transformation pricing, CDN performance in ZA.

Cloudinary

E-Commerce & Content Developers

From $0/moGDPRSOC2

Design & Collaboration

2 tools

Figma — Dev Mode, pricing per editor, offline support.

Canva

Marketing Teams & Small Businesses

From $0/moGDPRCCPA
Figma

Product & Design Teams

From $15/moSOC2GDPR
Canva vs Figma

Customer Support

6 tools

Zendesk vs Intercom — AI resolution rates, per-seat pricing, omnichannel.

Freshdesk

SaaS & Tech Companies

From $15/mo80 req/minGDPRPOPIA
Freshdesk

E-commerce and SaaS Businesses

From $15/mo300 req/minGDPRPOPIA
Freshdesk

SMBs & Growing Support Teams

From $15/mo100 req/minGDPRSOC2
Intercom

SaaS Companies

From $39/moGDPRCCPA
Zendesk

Mid-Market & Enterprise Support Teams

From $55/mo200 req/minGDPRSOC2
Zendesk

SaaS & E-Commerce Companies

From $19/mo200 req/minGDPRCCPA
Freshdesk vs FreshdeskFreshdesk vs FreshdeskFreshdesk vs FreshdeskFreshdesk vs IntercomFreshdesk vs IntercomFreshdesk vs Zendesk

Oxygen APIs — Necessity, not novelty

APIs that solve expensive pain

No PDF. No upload. No manual work. Call the endpoint, get an instant answer. Built on 51+ live tool specs.

Smart FinderFree tier
GET /api/v1/match

Find tools by compliance + hosting + integration + price — all in one query.

?compliance=POPIA&category=CRM&max_price=100&hosting=ZA
Compliance CheckFree 3 tools
POST /api/v1/compliance-check

Is your stack POPIA/GDPR compliant? Submit tool slugs, get per-tool gap analysis.

{"tools":["hubspot-crm-sa"],"frameworks":["POPIA"]}
Stack CheckFree 1 check
POST /api/v1/stack-check

Will this tool integrate with your existing stack without middleware?

{"existing_stack":["Salesforce","Slack"],"candidate":"freshdesk-sa"}
MCP ServerAlways free
GET /api/mcp

Wire VektorIndex into Claude, Cursor, or any MCP-compatible AI agent.

URL: https://vektorindex.com/api/mcp

Add to Claude Desktop or Cursor in 30 seconds

// claude_desktop_config.json

{

"mcpServers": {

"vektorindex": {

"type": "http",

"url": "https://vektorindex.com/api/mcp"

}

}

}

Once connected, Claude and Cursor can answer: "Find me a POPIA-compliant CRM under $100/mo for South Africa" — powered by your data.

Bloomberg Terminal Play

Build on VektorIndex Data

Your AI agents, competitive analysis tools, and procurement workflows — powered by 51+ live tool specs. One API key unlocks all 4 endpoints. Every embed is a dependency. Every dependency is recurring revenue for us, time saved for you.

// 1. Pull all CRM tools with POPIA compliance

curl https://vektorindex.com/api/v1/tools \

-H "X-Api-Key: your_key_here" \

-G -d "category=crm&country=south-africa&limit=100"

// 2. Smart match: POPIA + ZA hosting + Zapier + under $100

curl "https://vektorindex.com/api/v1/match?compliance=POPIA&hosting=ZA&integration=Zapier&max_price=100" \

-H "X-Api-Key: your_key_here"

// 3. Compliance check: is this stack POPIA + GDPR compliant?

curl -X POST https://vektorindex.com/api/v1/compliance-check \

-H "X-Api-Key: your_key_here" -H "Content-Type: application/json" \

-d '{"tools":["hubspot-crm-sa","slack-global"],"frameworks":["POPIA","GDPR"]}'

Free

$0

No key needed

  • ✓20 results per call
  • ✓All filter params
  • ✓Public data only
  • ✓CC-BY 4.0 licence
Try it free →
Most Popular

Pro

$149/mo

5,000 requests/day

  • ✓All 4 endpoints unlocked
  • ✓500 results per call
  • ✓5,000 requests/day
  • ✓Compliance + Stack Check
  • ✓Cancel any time
Get Pro Access →

Enterprise

$499/mo

100,000 requests/day

  • ✓1,000 results per call
  • ✓100,000 requests/day
  • ✓Priority support
  • ✓Custom data exports
  • ✓Webhook alerts on data changes
Get Enterprise Access →

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