Name: subtitles
Price: 0.08 USDC
Availability: InStock

$ man subtitles

PRICE / CALL

$0.08

USDC · base mainnet · scheme: exact

METHOD

POST

CLUSTER

CATEGORY

media

STATUS

● live

NAME

subtitles — srt / vtt subtitle generator from video or audio

SYNOPSIS

POST https://x402.org/v1/subtitles
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }

↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.

DESCRIPTION

SRT / VTT subtitle generator from video or audio. Whisper v3. Word-wrapped, ready for VLC / Premiere / FFmpeg.

INPUT — request schema

property	type	description	req?
media_url	string	Public URL of an audio or video file. mp3, mp4, mpeg, mpga, m4a, wav, webm. Max 60 minutes.	required
format	string	'srt' (default) or 'vtt'.	optional
language	string	Optional ISO language code. Auto-detected if omitted.	optional
task	string	'transcribe' (default) or 'translate' (translates to English).	optional
max_chars_per_line	number	Max characters per subtitle line. Default 42. Range 16-120.	optional

OUTPUT — response shape

field	type	description
subtitles	string	Full subtitle file content as a string.
format	string	Echo of the format used.
mime_type	string	MIME type for the subtitle format ('application/x-subrip' or 'text/vtt').
cue_count	number	Number of subtitle cues generated.
duration_seconds	number	Source media duration.
detected_languages	array	Languages auto-detected in the audio.
task	string	Echo of the task performed.
source_url	string	Echo of the input URL.

EXAMPLES — two ways to call

EXAMPLE 1 · curl

curl -X POST https://x402.org/v1/subtitles \
  -H 'Content-Type: application/json' \
  -d '{ }'

first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.

EXAMPLE 2 · mcp

# install once
claude mcp add x402 --command "npx x402-deployer-mcp"

# then ask Claude Code:
# "use the subtitles tool to ..."

MCP server handles payment automatically — your coding agent just calls the tool by name.

METADATA

ADJACENT — other endpoints in mediakit

endpoint	description	price
html-to-pdf	URL to PDF / HTML to PDF / webpage screenshot to PDF.	$0.08
extract-tables	Extract tables from PDF / table extractor / PDF to CSV / spreadsheet from PDF.	$0.10
mp4-to-mp3	MP4 → MP3 audio extractor.	$0.10
pdf-extract-tables	PDF table extractor / table from PDF / scanned-table parsing / financial-table OCR / multi-page table consolidator / Datalab Marker tables.	$0.10
pdf-to-jpg	PDF to JPG / PNG / WEBP image converter.	$0.10
speaker-diarize	Speaker diarization / who-said-what transcription.	$0.10
transcribe	Video / audio transcription via Whisper v3.	$0.10
upscale-image	AI image upscaler / super-resolution / image enlarger.	$0.10

/subtitles(1)