Purchase DirectMailAmerica workspace credits for US letters, Certified Mail and postcards. Minimum $1 USDC. A workspace Authorization Bearer API key is required for purchase. Public unpaid requests return a price preview; no mail is sent.
Last updated 32m ago
On-chain USDC settlements received on Base · 0x3C0A56719e71a0E9F9cd0875F55838DF8b9C8752
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On-chain payment destinations for this service, with each wallet’s current USDC balance. Click an address to view it on the block explorer.