This is the API Evangelist Daily for Wednesday, October 28, 2026 — what is new across APIs.io, API Evangelist and API Commons, plus a few things from the shelf.
New on API Evangelist
- Advertising: The Shape Of The Answer — Last week I wrote about DeepInfer and the shape of the answer, and how batch-invariant inference, deterministic sampling and schema-constrained output make valid JSON table stakes and push the real work onto agreeing on the shape. Advertising is the industry I wanted to look at next, because it agreed on its shape more than fifteen years ago and then runs that shape at a volume nobody else does.
- Australian Government Is Open But Not Yet Discoverable By Agents — Australian government publishes more than almost anyone, and an agent still cannot find most of it on its own.
- Can Your MCP Server Finish The Job? — When I wrote that MCP is last-mile plumbing, the best response I got wasn't a comment. It was a repost, with one example that turned my analogy into a test.
- Plus 8 more today: Connect To Your Customers Accounting, HR And CRM Systems With Merge; Run A Managed Graph Database And Predict Connections With Amazon Neptune; Send Contracts For Electronic Signature And Track Them With Docusign; Send Marketing Email And Manage Contact Lists With SendGrid; The MCP Maintenance Bill Depends On How You Built It; Trigger Builds And Retry Failed Jobs Automatically With Buildkite; Two Hundred Nine API Companies And Seven Hundred Seventy-Five Enterprises Hire In Different Worlds; Who Actually Gets To Define API Standards
New on APIs.io
- Brale rewrote its docs around a supported path, and deprecated a page its catalog record still shows — Brale has relaunched its developer documentation, and the argument behind it is one most payment APIs never admit out loud. In Introducing the New Brale API Docs, the regulated stablecoin issuer writes that "Stablecoin integrations don't stall at minting.
Kin Score mover
- DoorLoop rose 29.7 points, from 21.9 to 51.6 (developing), between the 2026-10-11 and 2026-10-17 scoring runs.
Provider spotlight
- Rokt — Rokt is an eCommerce technology platform that uses AI and machine learning to serve personalized non-endemic offers and ads during transaction moments. Kin Score 63.5 (strong), agent readiness 53.8 (agent-native).
From the conversations
- API Evangelist Conversation with Henry Calvert, Global Head of Future Networks @ GSMA — Henry Calvert, Global Head of Future Networks at GSMA came by to talk about the GSMA Open Gateway, a suite of APIs the GSMA Open Gateway global initiative aims to drive the exposure and monetization of telecommunication networks through APIs and federation. The GSMA launched the Open Gateway APIs under the Linux Foundation in a project called CAMARA, and you can find all the OpenAPI specifications for the APIs on…
FAQ
- How do I make my API discoverable? Publish machine-readable pointers on your own domain — an OpenAPI at a stable URL, an APIs.json index, an llms.txt — get listed where people already look, and make sure a search engine can read your docs.
Guidance
- Privacy — The political struggle over personal data and who controls it through APIs
Standard
- Postman Environments — Postman environments are collections of variables that let you easily switch between different configurations (like development, staging, and production server URLs) without manually changing values throughout your API requests.
Investor
- Felicis Ventures — Felicis Ventures is an early-stage venture capital firm founded in 2006 by Aydin Senkut and headquartered in Menlo Park, California. The firm backs founders "who rewrite the rules," concentrating the majority of its capital at Seed and Series A while also participating in Series B and select growth rounds, with reported assets under management of roughly $2.4B and a tenth flagship fund (FV X) of $900M closed in June…
Country
- 🇳🇬 Nigeria — 35 API providers on APIs.io; the most in Financial Technology (24), Payments & Money Movement (19), Banking & Open Banking (10).
Regulation
- EASA U-space Regulatory Framework — U-space is the European framework for managing large numbers of drones in shared airspace.
Tool
- Apache CloudStack — Open-source cloud computing platform for deploying and managing IaaS cloud infrastructure.
Everything mentioned is linked in the show notes. Find any API at apis.io, and see what we are working on at apievangelist.com.
Originally published at https://newsletters.apievangelist.com/daily/2026/10/28/.
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