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Developer Tools Apis Integration Dev Infrastructure Software Development

DHTMLX Chatbot

✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo

HTTPie

✓ verifiedFreemium

Human-friendly API testing client for terminal, desktop and web, known for readable syntax; the CLI is open source.

82K visits/mo

Airbyte

✓ verifiedFreemium

Open-source data-movement platform now adding a context/action layer for AI agents; 600+ connectors and flexible pricing.

222K visits/mo

APIMart

✓ verifiedPaid

Unified API gateway to 500+ AI models (GPT, Claude, Sora, image/video) with OpenAI-compatible endpoints and discounted usage.

328K visits/mo1.9K saves

CapMonster Cloud

✓ verifiedPaid

Cloud API that auto-solves reCAPTCHA, Cloudflare and other CAPTCHAs at ~99% success, pay-per-solve for automation and scraping.

408K visits/mo486 saves

Pricing

No public pricing

Agents Free: $0/mo (1000 AOs)

Agents Individual: $29/mo (5000 AOs)

Agents Team: $299/mo (10,000 AOs)

Data Standard: from $10/mo

Data Plus: from $500/mo

No public pricing

reCAPTCHA v2: $0.60 per 1000 tokens

reCAPTCHA v3: $0.90 per 1000 tokens

Cloudflare Turnstile: $1.30 per 1000 tokens

Text CAPTCHA: $0.30 per 1000 tokens

Core features

✦MIT-licensed and free to use
✦Lightweight (~65kb) JavaScript widget
✦4 message display modes plus typewriter effect
✦Markdown support and chat history
✦Backend hook to integrate any LLM
✦Responsive, mobile-friendly, read-only mode

✦Human-friendly command-line HTTP client
✦Web and desktop GUI apps
✦Simple, readable request syntax
✦Request export/import and history
✦Path parameters and 'copy as command'
✦Open-source terminal version

✦600+ data connectors
✦ELT replication and CDC
✦Open-source and managed cloud options
✦Airbyte Agents context store (MCP/SDK/CLI)
✦Capacity- and volume-based pricing
✦Governance: SSO, RBAC, encryption

✦Single OpenAI-compatible API for 500+ models
✦Chat, image, video and audio models
✦Discounted per-request pricing
✦One dashboard for keys, quotas and usage
✦Multi-region routing and failover (99.9% uptime)
✦Multiple payment methods incl. crypto

✦API solving for reCAPTCHA, Cloudflare, GeeTest, AWS WAF and more
✦Up to 99% success rate
✦Built-in proxies included
✦SDKs for C#, Python, JS, Go, PHP
✦Chrome and Firefox extensions
✦Pay only for solved CAPTCHAs
✦Affiliate and volume-bonus programs

Use cases

→Adding an AI chat UI to web apps
→Building LLM-powered support agents
→Embedding chat widgets in existing products
→Prototyping chatbot interfaces

→Testing REST APIs
→Sending and inspecting HTTP requests
→Debugging web services
→Sharing API requests across a team

→Building data pipelines to warehouses
→Syncing SaaS data for analytics
→Giving AI agents live business context

→Accessing many AI models via one API
→Cutting AI model API costs
→Building multimodal AI apps
→Consolidating AI billing and keys

→Automating CAPTCHA-gated web scraping
→Bypassing anti-bot challenges in bots and apps
→Integrating captcha solving into software

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