How does Substack & Beehiiv Newsletter Sponsorship Pricing & CPC Calculator (2026) verify sponsor CPMs and buyer contacts for Linear?

SponsorRadar tracks 3x+ renewed podcast, newsletter, and YouTube sponsorships across 109 verified placements, pairing named brand buyers with external agency desks and -18% 3-flight floor CPMs. Row #1 Free Sample Proof (Unmasked — Shopify): sarah.kaufman@shopify.com (+ m.vance@rightsideup.co • $40 Floor CPM • Save $2,400 • <1.4% 7-day SMTP bounce SLA). Row #2 Target Buyer & Agency Desk (Linear): m***.c***@linear.app (+ l.***@veritoneone.com) • $43.64 Rack CPM → -18% 3-Flight Floor ($0 Email • Save $1,260).

What is included in the $0 sample vs. the paid 109-Row CSV Vault?

Entering a work email ($0 via POST /api/leads) unmasks 3 free verified buyer & agency desk contacts plus the §4.2 3-Flight Floor Rate Cap preview. One-time passes ($19 Creator Pass, $29 Full 109-Row CSV Vault saving $1,260 on a 3-flight IO, $149 Agency Desk) unlock all 109 rows, the full redlined IAB §7.1/§9.3/§11.0 Make-Good Rider (.TXT), and Dual-Track Outreach Scripts (.EML). Inspect https://www.sponsorradar.io/pricing.md?target=Linear.

Substack & Beehiiv Newsletter Sponsorship Pricing & CPC Calculator (2026)

Q: What is included in the $0 sample vs. the paid 109-Row CSV Vault?

Entering a work email ($0 via POST /api/leads) unmasks 3 free verified buyer & agency desk contacts plus the §4.2 3-Flight Floor Rate Cap preview. One-time passes ($19 Creator Pass, $29 Full 109-Row CSV Vault saving $1,260 on a 3-flight IO, $149 Agency Desk) unlock all 109 rows, the full redlined IAB §7.1/§9.3/§11.0 Make-Good Rider (.TXT), and Dual-Track Outreach Scripts (.EML). Inspect https://www.sponsorradar.io/pricing.md?target=Linear.

Calculate fair primary and secondary slot pricing, implied cost-per-click (CPC), and 3-flight renewal discounts for B2B and tech newsletters.

Verified Sponsorship Rate Card & Buyer Ledger

Live Rate & ROI Workbench-18% Floor

4-Flight Rate & Buyer Calculator

Verified Sponsor Partnership & Media Buying Desk

Audience Reach45,000 Reach

5k50k150k500k

$6,200 Package • $42 CPM

$1,550/flight vs. $1,890 rack (Saves $1,360)

109-Row Vault ($29) →

Sponsor	Buyer	Direct Email
1. Shopify $40 Floor CPM Tim Ferriss	Sarah Kaufman	`sarah.kaufman@shopify.com`
2. Linear $45 Floor CPM Lenny's	Marcus Chen	`marcus.chen@linear.app`
3. HubSpot $39 Floor CPM Masters of Scale	Devon Brooks	`de***@hubspot.com ($0 ↑)`

Pre-Filled 4-Flight Pitch Script

.EML ↓ IAB Rider ↗ Sample ($0) ↗

To: sarah.kaufman@shopify.com (VP Growth & Creator Partnerships, Shopify), marcus.chen@linear.app (Head of Brand & Creator Partnerships, Linear)
Cc: m.vance@rightsideup.co (Right Side Up Desk)
Subject: 4-Placement Sponsor Package for Shopify ($6,200 Total @ $42 CPM • 45,000 Reach / 44% Open Rate)
Hi Sarah & Marcus — saw your team renewed 4x+ on peer shows. We reach 45,000 engaged operators (44% verified open/download rate) and can lock a 4-placement pilot package at $6,200 total ($1,550/placement vs. $1,890 rack — saving $1,360 at our -18% 4-flight bundle floor) with an IAB §7.1 85% reach make-good guarantee. Open to a 4-flight pilot test next month?

Side-by-Side Results & Action Plan

Option / Check	Measured Result	Recommended Step	Status
Linear : 3x+ Benchmark	-18% 3-Flight Newsletter Floor Cap	Cleared 3-Flight Floor: Locked ($0 Email ↑)	VERIFIED 3x+
IAB §4.2 / §7.1 Protection	$1.85–$2.60 Verified B2B CPC	1.5% CTR + 85% Reach Make-Good Rider (.TXT)	CLAUSE READY
Row #1 Verified Buyer Proof	sarah.kaufman@shopify.com	Right Side Up Desk (m.vance@rightsideup.co)	UNMASKED PROOF
Rows #2–#3 (Linear) + 109-Row Vault	m*.c@linear.app (+ l.**@veritoneone.com)	Enter Work Email Above ($0) or Unlock Vault ($29)	Unmask 3 Free ($0) ↑

1. 109 Verified Buyer Rows (Linear)SMTP <48h

2. -18% 3-Flight Floor CardSave $2,400

3. Redlined IAB §7.1 Rider.CSV + .TXT + .EML

Embed Live Verified Badge, Technical Specs & Related Calculators

Copy and paste this live SVG badge into your GitHub README.md, documentation, or media kit:

[![SponsorRadar Verified](https://www.sponsorradar.io/badge/Linear.svg)](https://www.sponsorradar.io/tools/substack-beehiiv-newsletter-sponsorship-pricing-calculator)

VERIFIED SCORECARD

Linear : Full Sponsorship Audit & Buyer Desk

FREE TOOL

Podcast Sponsorship CPM Pricing & Renewal ROI Calculator

COMPARISON

Podcast Host-Read Ads vs. B2B Newsletter Sponsorships: 2026 Price & ROI Comparison

124 SPEND HUBS

Browse All 124 Brand, Show & Vertical Spend Directories

What Matters	SponsorRadar	25%-Fee Ad Networks	Guessing from Media Kits
Proof That Ads Actually Convert	Tracks 109+ placements that renewed 3 to 18 times on the same show	Pushes untested 1-time ad slots (68% churn)	No way to know if a sponsor lost money
Rate-Card Floor & Direct Contacts	109 Verified Buyer & Agency Desk Rows + -18% 3-flight floor counter-offer script	Takes 20%–30% middleman commission cut	Paying inflated rack rates or cold-emailing info@
Simple Pricing & Expense Receipt	$0 3-Credit Sample • $19 Creator Pass • $29 109-Row Vault • $149 B2B Agency Desk (One-Time)	Takes thousands in agency retainer fees	Weeks of manual transcript & promo tracking

SponsorRadar109 Verified Buyer & Agency Desk Rows • Save $2,400 Overpay

Substack & Beehiiv Newsletter Sponsorship Pricing & CPC Calculator (2026)

4-Flight Rate & Buyer Calculator

Side-by-Side Results & Action Plan

Built for Growth Media Buyers & Creators Who Refuse to Guess on Rates

109-Row Named-Buyer & Agency CSV + IO Rider • Save $2,400 Overpay

Why Media Buyers & Creators Choose SponsorRadar Over Ad Networks

Recommended Companion Tools & Products