Nylas · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Nylas Smart compose API

3 actions 3 updates phrasing extends openapi/nylas-smart-compose-api-openapi.yml
Generated by API Evangelist Written by API Evangelist tooling for Nylas's API. It is a proposal applied on top of the contract, not a document Nylas publishes.
View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-phrasing

Targets 3

$.info
$.paths['/v3/grants/{grant_id}/messages/smart-compose'].post
$.paths['/v3/grants/{grant_id}/messages/{message_id}/smart-compose'].post

OpenAPI Overlay

Raw ↑
# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand.
overlay: 1.0.0
info:
  title: API Evangelist conversational phrasing for Nylas Smart compose API
  version: 1.0.0
extends: openapi/nylas-smart-compose-api-openapi.yml
actions:
- target: $.info
  update:
    x-apievangelist-phrasing:
      method: generated
      generated: '2026-09-26'
      generator: build-phrasing.py
      label: Generated by API Evangelist
      operations: 2
- target: $.paths['/v3/grants/{grant_id}/messages/smart-compose'].post
  update:
    x-apievangelist-phrasing:
      intent: Draft a new email with AI from a prompt
      effect: read
      questions:
      - Can AI write a new email for me from a short prompt?
      - How do I generate email text from a description of what I want to say?
      instructions:
      - text: Write a new email for {grant_id} based on {prompt}.
        slots:
          grant_id: path.grant_id
          prompt: requestBody.prompt
      - text: 'Compose a fresh message in mailbox {grant_id}: {prompt}.'
        slots:
          grant_id: path.grant_id
          prompt: requestBody.prompt
      method: generated
      generated: '2026-09-26'
- target: $.paths['/v3/grants/{grant_id}/messages/{message_id}/smart-compose'].post
  update:
    x-apievangelist-phrasing:
      intent: Draft an AI reply to a specific email
      effect: read
      questions:
      - Can AI suggest a reply to an email I received?
      - How do I generate a response to a particular message from a prompt?
      instructions:
      - text: Write a reply to message {message_id} in {grant_id} that says {prompt}.
        slots:
          message_id: path.message_id
          grant_id: path.grant_id
          prompt: requestBody.prompt
      - text: Suggest an answer to email {message_id} for mailbox {grant_id}.
        slots:
          message_id: path.message_id
          grant_id: path.grant_id
      method: generated
      generated: '2026-09-26'

Work with this as data

Every overlay here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for openapi overlays

4 MCP tools reach this
  • find_overlaysBrowse and filter every overlay in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This overlay
curl "https://apis.io/api/v1/overlays/nylas-smart-compose-api-phrasing-overlay"
All openapi overlays
curl "https://apis.io/api/v1/overlays?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.