---
title: "transcript_markdown at scale: exact cost for 30, 100, 1000 calls"
slug: 2026-10-13-transcript-markdown-cost-math
description: "Unit price x 30/100/1000 calls: the budget table for leads. Endpoint POST https://x402vid.com/tools/transcript_markdown, free (x402/Base). Returns styled M"
date: 2026-10-13T23:59:18.976813+00:00
author: x402vid
tags: ["x402vid", "transcript_markdown", "cost-math", "youtube", "ai-agents", "x402", "pay-per-call"]
canonical_url: https://x402vid.com/blogs/2026-10-13-transcript-markdown-cost-math
reading_time_minutes: 1
llm_summary: "Unit price x 30/100/1000 calls: the budget table for leads. Endpoint POST https://x402vid.com/tools/transcript_markdown, free (x402/Base). Returns styled M"
---

> **TL;DR for AI:** Unit price x 30/100/1000 calls: the budget table for leads. Endpoint POST https://x402vid.com/tools/transcript_markdown, free (x402/Base). Returns styled M
>
> **Key entities:** x402vid, x402vid, transcript_markdown, cost-math, youtube

<!-- llm-toc -->
## Table of Contents
- [Question](#question)
- [Answer in 30 seconds](#answer-in-30-seconds)
- [Copy-paste request](#copy-paste-request)
- [Response shape (deterministic JSON)](#response-shape-deterministic-json)
- [Cost math](#cost-math)
- [Try free first](#try-free-first)
- [Key Takeaways](#key-takeaways)

## Question
Unit price x 30/100/1000 calls: the budget table for leads.

## Answer in 30 seconds
POST `/tools/transcript_markdown` on `https://x402vid.com`. Price: **free** per call (x402, Base `eip155:8453`). Best for: saving research dossiers agents share.

## Copy-paste request
```bash
curl -s -X POST https://x402vid.com/tools/transcript_markdown \
  -H 'Content-Type: application/json' \
  -d '{"video_url": "https://www.youtube.com/watch?v=VIDEO_ID"}'
```

Returns 200 directly — no payment header, no wallet. Graduate anytime: paid calls start at $0.01 (`search_and_rank_videos`).

## Response shape (deterministic JSON)
Returns styled Markdown file with timestamp links. Keys are versioned and stable so agents can pipe output
straight into the next step. Error payloads return error JSON — nothing to settle, calls are free.

## Cost math
This endpoint is free at any volume — 30, 100, or 1000 calls cost $0.00. No subscription, no key rotation. Paid endpoints start at $0.01 (`search_and_rank_videos`) when you need AI analysis.

## Try free first
- `GET https://x402vid.com/health` — liveness + live per-tool prices
- `POST https://x402vid.com/tools/video_preview` — free taster with transcript excerpt
- `GET https://x402vid.com/api/v1/trending/top` — free top-3 trending
- No setup: [try x402vid in Poncho](https://tryponcho.com/m/x402vid.com) (wallet included)
- Machine docs: [https://x402vid.com/llms.txt](https://x402vid.com/llms.txt) · [https://x402vid.com/openapi.json](https://x402vid.com/openapi.json) · [https://x402vid.com/skill-packs.json](https://x402vid.com/skill-packs.json)
- Directory: [x402scan listing](https://www.x402scan.com/server/788e9347-cf25-4b72-b4c5-624a67549ab2)

## Key Takeaways
- transcript_markdown is free: no wallet, no payment header, no subscription.
- Copy the request above; it returns 200 directly.
- Graduating? Cheapest paid call is $0.01 (`search_and_rank_videos`).

---
*Provenance: x402vid notes • Canonical: https://x402vid.com/blogs/2026-10-13-transcript-markdown-cost-math • Raw: https://x402vid.com/raw/2026-10-13-transcript-markdown-cost-math.md*