Deeplead Deliverability API
The Deliverability API from Deeplead — 2 operation(s) for deliverability.
Work with this as data
Every API 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 apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.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.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/deeplead:deeplead-deliverability-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
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.
OpenAPI Specification
openapi: 3.2.0
info:
title: Deeplead Deliverability API
version: 1.0.0
description: Search local businesses, companies and people, and find decision makers with verified work emails and phone numbers. Authenticate with an API key as a Bearer token; up to 120 requests per minute per account, answered with 429 beyond that.
contact:
email: support@deeplead.io
url: https://www.deeplead.io/developers
termsOfService: https://www.deeplead.io/terms
servers:
- url: https://www.deeplead.io/api/v1
security:
- apiKey: []
tags:
- name: Deliverability
paths:
/deliverability/tests:
post:
operationId: deliverability.createTest
summary: Start an inbox placement test for a mailbox you send from
description: Send one email from the mailbox you want to test to every address in seedEmails, with the testId anywhere in the body, then poll /deliverability/tests/{testId} about once a minute to see whether it landed in the inbox, spam or a tab at Gmail, Outlook and other providers. Most seeds report within 2-5 minutes; the test closes 60 minutes after it starts. Charges 25 credits. Send an Idempotency-Key header to make retries safe.
tags:
- Deliverability
responses:
'200':
description: OK
content:
application/json:
schema:
type: object
properties:
testId:
type: string
description: Put this anywhere in the body of the test email
seedEmails:
type: array
items:
type: string
description: Send the test email to every one of these addresses
chargedCredits:
type: number
closesAt:
type: string
required:
- testId
- seedEmails
- chargedCredits
- closesAt
/deliverability/tests/{testId}:
get:
operationId: deliverability.getTest
summary: Where the test email landed at each seed mailbox
description: Poll about once a minute while status is waiting. placement is inbox, spam, promotions, social, updates or forums, or missing while the email has not arrived; score is the inbox share from 0 to 10 once the test is completed. rspamd is the content filter verdict with its matched rules, when a seed reports one.
tags:
- Deliverability
parameters:
- name: testId
in: path
required: true
schema:
type: string
pattern: ^dlt-[0-9a-f]{24}$
description: testId returned by /deliverability/tests
responses:
'200':
description: OK
content:
application/json:
schema:
type: object
properties:
testId:
type: string
status:
enum:
- waiting
- completed
type: string
closesAt:
type: string
score:
anyOf:
- type: number
- type: 'null'
seeds:
type: array
items:
type: object
properties:
email:
type: string
provider:
type: string
placement:
type: string
required:
- email
- provider
- placement
rspamd:
anyOf:
- type: object
properties:
score:
type: number
requiredScore:
type: number
action:
type: string
symbols:
type: array
items:
type: object
properties:
name:
type: string
score:
type: number
description:
type: string
required:
- name
- score
required:
- score
- requiredScore
- action
- symbols
- type: 'null'
required:
- testId
- status
- closesAt
- score
- seeds
- rspamd
components:
securitySchemes:
apiKey:
type: http
scheme: bearer
x-provenance:
method: harvested
publisher: Deeplead
source: https://www.deeplead.io/api/v1/spec.json
note: split by refine-openapis from the provider's own published document, verified by fetch (openapi/_original/*.fetch.json);
stamped by stamp-openapi-provenance.py (roadmap#793)