
Portkey
OpenRouter
Helicone AI
liteLLM
Langfuse
LangSmith
APIPark
Eden AI
PDFMakerAPI
APITemplate.io
CraftMyPDF
PDF Generator API
PDFMakerAPI is a PDF template builder and PDF generation API. Instead of hard-coding documents or wrestling with HTML-to-PDF converters that break when your content changes, you design a reusable template once in a visual, no-code editor — placing text, tables, images, and dynamic fields exactly where you want them — then feed it data to produce a finished, editable PDF.
Generate a single document or thousands. Fill a template in yourself, share a link so anyone completes it in the browser as a fillable PDF form, send JSON to the REST API, trigger generation from no-code tools like Zapier, Make, and n8n, or create documents straight from AI agents like Claude and ChatGPT. Prefer to start from a prompt? Describe what you need and let Quill build it.
Teams use PDFMakerAPI for invoices, receipts, certificates, reports, and contracts — anything you'd otherwise rebuild by hand every time the data changes. Start building free with 100 PDFs a month.
Portkey
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Based on our record, Portkey seems to be more popular. It has been mentiond 10 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Developer gateways - MegaLLM, Portkey, LiteLLM, OpenRouter. The pitch is reliability, failover, cost, analytics. They are headless: you get an API, you bring your own interface. Great for shipping code, nothing to actually use without building a client first. - Source: dev.to / 3 months ago
Portkey is a managed gateway and production control plane supporting 1,600+ LLMs with enterprise-grade governance (RBAC, SSO, granular budgets), compliance certifications (SOC2, ISO 27001, GDPR, HIPAA), and deployment options (SaaS, hybrid, or air-gapped). Designed for teams with strict security and audit requirements. See portkey.ai. - Source: dev.to / 4 months ago
For many teams, especially those starting out or with simpler needs, commercial solutions like Portkey, Helicone, OpenPipe, or LiteLLM Proxy offer off-the-shelf capabilities that cover many common proxy use cases (caching, logging, cost tracking). NeuroLink itself can be seen as an SDK that complements these, allowing you to integrate with them or build similar features on top. - Source: dev.to / 5 months ago
Every engineering team faces the build vs. Buy decision. Today I want to share how replacing our custom LLM manager with Portkey's gateway removed over 11,000 lines of code from our observability platform while actually improving functionality. - Source: dev.to / 12 months ago
Portkey — Focuses on prompt management and optimization with A/B testing capabilities. - Source: dev.to / over 1 year ago
OpenRouter - A router for LLMs and other AI models
APITemplate.io - APITemplate.io allows you to auto-generate social images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML required.
Helicone AI - Open-source LLM Observability for Developers
CraftMyPDF - PDF generation API for developers who ship fast.
liteLLM - One library to standardize all LLM APIs
PDF Generator API - Generate PDF documents from templates and JSON data. Enable your users to create PDFs and manage document templates using a browser-based drag-and-drop editor!