SpryBill

SpryBill

Kilmist Corporation
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About

Paygent is the monetization and cost-tracking infrastructure platform built for AI-native businesses. Unlike legacy billing tools that only track revenue, Paygent gives AI companies real-time visibility into margins, infrastructure costs, and profitability per customer and per agent workflow. AI companies today operate across fragmented LLM providers, APIs, and cloud infrastructure, making it difficult to understand true unit economics. Teams often scale usage without realizing margins are shrinking. Paygent solves this by unifying real-time AI infrastructure cost attribution and automated billing into one platform. It tracks every LLM call, API request, and compute event tied to agent workflows, enabling customer-level gross profit visibility, automated billing, predictive pricing simulation, and cost alerts to prevent runaway agent loops. Built for AI startups, voice AI platforms, and autonomous agent teams, Paygent offers native SDKs for Node.js, Python, and Go.

About

Cloud based end-to-end subscription and metered billing, customer care, business intelligence and analytics solution for communication service providers and IoT companies. SpryBill manages your Product Catalog, Customer Info, Subscriptions, Discounts/Promotions, Taxation, Invoicing, Payment processing, Sales Commissions, Documents and Customer Communications. It also includes flexible usage Procurement, Mediation, Rating, Surcharging and Auditing modules to streamline wire-line, mobile, VOIP, prepaid, retail and wholesale billing. SpryBill Analytics mines your billing data and provides crucial reports and dynamic executive dashboards that highlight hidden insights and Key Performance Indicators. SpryBill is highly configurable, ultra-scalable and affordable for small and large businesses alike.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI startups, voice AI companies, autonomous agent builders, LLM application developers, CTOs and AI engineers building agent-based products

Audience

Communication service providers looking for an advanced Billing and Invoicing solution

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0/month
Free ($0/month) - 100K events, 1 year data retention, email support
Starter ($399/month) - 10M events, 7 year retention, 24/7 priority support
Growth ($799/month) - 25M events, 7 year retention, 24/7 priority support
Enterprise (Custom) - unlimited events, custom integrations, dedicated support
Free Version Supported
Free Trial Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Pros & Cons from Real Users

Pros

  • - Handles genuinely complex billing logic - per-agent pricing, minimum monthly commitments, multi-line invoices with tax compliance (GST, TDS, HSN codes) - API-first design means our platform and Paygent stay in sync without any manual steps. Agents go live on our end, billing kicks in on theirs - Exposed a pricing API so our team could build configuration Uls directly into our admin portal - huge time saver - Order management, credit notes, and dispute workflows are all built in - The team understood our finance workflow: consumption data → quotation → PO → invoice, and built toward automating that entire chain - USD support available for international expansion
  • * Granular "Node-Level" Observability: Unlike Stripe, which sees a single monthly API bill, Paygent tracks costs at the graph node level. This allows you to pinpoint exactly which tool_call or llm_node is burning your budget. * Real-Time Margin Protection: It calculates the delta between what you charge a user and what the inference actually costs in milliseconds. If a recursive loop in your LangGraph starts eating your margin, Paygent can trigger an automated "circuit breaker" to pause the agent. * Vendor Agnostic Comparison: It normalizes billing data across OpenAI, Anthropic, and local models. You can see in real-time if switching a specific node from GPT-4o to Claude 3.5 Sonnet actually improves your unit economics. * Plug-and-Play for Agentic Frameworks: Paygent offers native SDKs for LangChain and LangGraph, meaning you don't have to write custom middleware to "tag" your metadata for billing; the infrastructure does it for you.
  • The founders are very responsive in solving real-time issues, and the feedback is seriously taken.

Cons

  • - Initial agent data sync needed some debugging cycles - timezone mismatches and STT data gaps took a few iterations to resolve - Integration setup required close collaboration; not a plug-and-play out- of-the-box tool (though this is understandable given the complexity)
  • The granular instrumentation required for a 50-node graph introduces a higher level of architectural complexity and a critical dependency on real-time financial telemetry that demands disciplined engineering oversight.
  • I hope we can move from their growth pro plan to enterprise at a slightly discounted rate, haha

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Paygent
Founded: 2026
India
www.withpaygent.com

Company Information

Kilmist Corporation
Founded: 1998
United States
www.kilmist.com

Alternatives

Alternatives

Cheddar

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CheddarGetter

Categories

Categories

Integrations

BriskCRM Not Supported
LiveKit Supported
Vapi AI Supported

Integrations

BriskCRM Supported
LiveKit Not Supported
Vapi AI Not Supported
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