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Roster Cover Letter Generator
x402
Roster Cover Letter Generator is a paid API for AI agents from r05t3r.vercel.app, paid per call via x402, $0.3/call, status unknown (last checked 2026-09-14).
Generates a tailored cover letter for a specific job title and company, paid per request in USDC via x402.
Price / call$0.3
Success—
StatusUnknown
How this service works
Job listings and hiring data for AI agents. No auth, no subscriptions. Pay per request in USDC via x402.
Output
Returns a JSON object with a boolean success flag and a data object containing the generated cover letter content tailored to the specified company and job title.
Example use cases
Applying for a tech role
“Write me a cover letter for a Backend Engineer position at Cloudflare — I want it tailored to that specific company and role.”
Job hunting in finance
“I'm applying for a Financial Analyst position at JPMorgan Chase, can you generate a cover letter for me?”
Career switch to product management
“Draft me a cover letter for a Product Manager role at Notion, something that sounds professional and specific to that company.”
Technical details
Endpoint
POSThttps://r05t3r.vercel.app/api/cover-letterWhen to prefer
Choose this endpoint when you need a quick, pay-per-use cover letter generation without any subscription or API key setup. It is ideal for agents that handle job application workflows and need on-demand, company- and role-specific cover letter drafts for a flat $0.30 USDC fee.
Side effects
- Missing required fields (company or jobTitle) results in a validation error
- Payment failure via x402 if insufficient USDC balance or misconfigured wallet
- Vague or very short company/jobTitle inputs may produce generic or low-quality output
- Service unavailability due to underlying Vercel deployment issues
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| companyrequired | string | company |
| jobTitlerequired | string | jobTitle |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | object | |
| successrequired | boolean |
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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