Discover / postalform.com

PostalForm Machine Payments API

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Machine-oriented print-and-mail endpoints for legacy x402 and MPP payment flows.

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In our index since
14 Oct 2026

Endpoint

curl -i https://postalform.com/api/machine/mpp/orders
# 402 Payment Required: pay with a MPP client, then send the request again.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/postalform.com

Questions

What payment terms does PostalForm Machine Payments API advertise?

The listing advertises MPP, Tempo and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is PostalForm Machine Payments API listed?

In mpp.dev and mppscan. Superstables first indexed it on 14 Oct 2026.

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