Deliverability
Providers using this tag (20)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 8 Complete, well-documented, and agent-ready
Strong 7 Solid coverage with minor gaps
Developing 3 Usable, with meaningful gaps to close
Thin 1 Limited public surface area
Minimal 1 Almost no public developer surface
APIs with this tag (16)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 6 Complete, well-documented, and agent-ready
lemlist Deliverability Alerts APIThreshold alerts on deliverability metrics - create, read, update and delete.lemlist Email Accounts APIConnect, test and disconnect custom SMTP/IMAP sending accounts.lemlist Lemwarm APIlemwarm mailbox warm-up - start, pause, and read or update warm-up settings per mailbox.Live Direct Marketing Deliverability APIThe Deliverability API from Live Direct Marketing — 11 operation(s) for deliverability.Mailboxlayer Email Validation APIREST/JSON API for real-time email validation: syntax check, typo suggestions, MX-record lookup, SMTP verifi...Encharge Email Domain Settings APIThe email settings API from Encharge — 5 operation(s) for adding and verifying sending domains.
Strong 5 Solid coverage with minor gaps
Snov.io Email Warm-up APICreate and manage email warm-up campaigns to improve deliverability scores. Supports full CRUD operations o...Gmail Postmaster Tools APIGather statistics on bulk emails sent to Gmail users including spam reports and delivery errors.Smartlead Email Warmup APIEndpoints for managing Smartlead's deliverability warmup engine — enabling warmup per mailbox, configuring ...NeverBounce API v4RESTful JSON API for email verification. Provides single email verification (`/single/check`), bulk job ver...Kickbox Email Verification APIREST API for verifying the deliverability of email addresses in real time. Returns a result (deliverable, u...
Developing 3 Usable, with meaningful gaps to close
Pabbly Email Verification APIREST API for Pabbly Email Verification. A single operation, POST /email-lists/verify-single, returning a de...Address Validation APIValidate and standardize addresses, returning deliverability verdicts, geocodes, and address component deta...Deeplead Deliverability APIThe Deliverability API from Deeplead — 2 operation(s) for deliverability.
Companies reaching this through an API (8)
These companies publish an API, specification or operation carrying “Deliverability” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.
Deeplead
Encharge
Google Maps Platform
Google Workspace
Live Direct Marketing
Mailgun
Pabbly
Snov.io
Score breakdown
Frequency
44.2
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
61.5
mean composite of providers using it
Cohesion
5.1
strength of nearest seed neighbor
Related tags
Email Verification 13 co-occurrences
SMTP 9 co-occurrences
Cold Email 5 co-occurrences
Transactional Email 8 co-occurrences
Data Quality 5 co-occurrences
Email Marketing 5 co-occurrences
Email 15 co-occurrences
Domains 5 co-occurrences
Where this tag comes from
Provider tag22
Api tag16
Openapi tag3
Openapi op tag19
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.