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RelayStation PDF Merge
x402
RelayStation PDF Merge is a paid API for AI agents from api.relaystation.ai, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Combines multiple PDF files into a single PDF in a user-specified order, billed at $0.001 per page
Price / call$0.01
Success—
StatusUnknown
How this service works
$0.001/page. Combine any number of PDFs into one, in the order you choose. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny
Output
A single merged PDF file containing all input PDFs concatenated in the specified order. The response includes the combined PDF binary or a download URL, along with metadata such as total page count and billing information (pages processed, cost charged, any credit remainder).
Example use cases
Consolidating monthly report PDFs
“I have four separate PDF sections for this month's report — executive summary, financials, operations, and appendix. Can you merge them into one final report PDF in that order?”
Assembling a client proposal package
“Please combine my proposal PDF, the pricing sheet PDF, and the terms-and-conditions PDF into one document, in that sequence, so I can send it to the client as a single file.”
Joining scanned document pages
“I have several scanned pages saved as separate PDFs and I need them merged into one PDF in pages 1–5 order — can you do that for me?”
Technical details
Endpoint
POSThttps://api.relaystation.ai/v1/pdf/mergeWhen to prefer
Choose this endpoint when you need a programmatic, per-page-billed PDF merge as part of an automated pipeline or agent workflow, especially when you want fine-grained control over the ordering of source PDFs. It is ideal for agents handling document assembly tasks without desktop software, when cost predictability at $0.001/page matters, and when you need a pay-as-you-go model via x402 micropayments rather than a subscription-based PDF tool.
Side effects
- Invalid or corrupt PDF file — returns error indicating which file failed to parse
- Unsupported PDF version or encrypted/password-protected PDF — returns decryption/unsupported error
- Incorrect file order or missing file references — returns bad request with field validation details
- Payment failure or insufficient USDC balance — returns 402 Payment Required
- Request too large or too many pages — may return timeout or size-limit error
- Network timeout on large PDF uploads — returns connection error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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