Plunk · FinOps Profile

Plunk Finops

FinOps view of Plunk spend. On the hosted cloud, Plunk bills a simple usage-based rate of $0.001 per email with no base fee and unlimited contacts; the Free Forever tier includes 1,000 emails per month at no cost. The primary cost driver is email volume, so the dominant FinOps lever is send efficiency. Because Plunk is open-source (AGPL-3.0), an alternative cost model is self-hosting, which eliminates Plunk per-email fees and shifts spend to your own infrastructure and outbound email provider.

Plunk Finops is the FinOps profile for Plunk on the APIs.io network, aligned with the FinOps Foundation Framework.

It defines 4 billable meters, billed in USD, on a monthly cycle, and pricing category usage-based.

The profile maps 8 FOCUS columns for cost-allocation reporting.

Tagged areas include Email, Transactional Email, Marketing, Automation, and Open Source.

Category: Email and Messaging Pricing: Usage-Based Billing: Monthly FOCUS v1.3
EmailTransactional EmailMarketingAutomationOpen SourceSaaSFinOpsCost ManagementFOCUS

Framework Alignment

Framework
FinOps Foundation Framework
Data Spec
FOCUS v1.3

Charge Categories

UsageAdjustment

FOCUS Columns

BillingCurrency
USD
ChargeCategory
Usage
InvoiceIssuerName
Plunk
PricingCategory
Usage-Based
ProviderName
Plunk
PublisherName
Plunk
ServiceCategory
Email and Messaging
ServiceName
Plunk

Meters

emails_sent
Unit: emails
Emails sent through transactional send and campaigns, billed at $0.001 each above the free allowance.
free_emails
Unit: emails
Emails covered by the 1,000-per-month Free Forever allowance, billed at zero.
contacts
Unit: contacts
Contacts stored in the project; unlimited and not billed.
events_tracked
Unit: events
Contact events published via the track endpoint; not directly billed.

Sources

Work with this as data

Every finops artifact here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for finops

4 MCP tools reach this
  • find_finopsBrowse and filter every finops artifact in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This finops artifact 
curl "https://apis.io/api/v1/finops/plunk-finops"
All finops 
curl "https://apis.io/api/v1/finops?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.