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The API Economy

Substack
apifirst.tech· biweekly· Published 2 months ago

Essays on how crypto rails, stablecoins and AI agents may reshape payments and the wider economy. Issues explain concepts such as the x402 payment standard, settlement velocity and inflation-resistant stablecoins in an analytical, explanatory style.

x402http 402ai agentsstablecoinsprediction marketsapismachine paymentsblockchain settlementagentic commerceemerging technology
Platform
Substack
Frequency
Biweekly
Latest issue
Sep 1, 2026
Language
English
Written for
Tech and crypto readers interested in AI agent payments
Tone
analytical
Tracked since
Oct 22, 2026

Website: https://www.apifirst.tech