How AI is applied across API Evangelist and APIs.io. Read my AI disclosure →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

Need help?

Contact us
FusionAuth

FusionAuth Lambda API

The Lambda API from FusionAuth — 3 operation(s) for lambda.

Documentation Provider Profile APIs.io OpenAPI GitHub

FusionAuth Lambda API is one of 37 APIs that FusionAuth publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Lambda. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 8 operations across 3 paths, and defines 11 schemas. It is described by OpenAPI 3.2.0, at version 1.66.0.

Requests are made against 2 base URLs: http://localhost:9011, https://sandbox.fusionauth.io.

8 operations 3 paths 11 schemas 1 DELETE2 GET1 PATCH3 POST1 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.66.0
Base URL
https://sandbox.fusionauth.io
Authentication
API Key, HTTP Bearer
License
Apache2
Resource Areas
1

Authentication & Security 2

FusionAuth Lambda API declares 2 security schemes for authenticating requests. An API key is passed in the header as Authorization (ApiKeyAuth). It accepts HTTP bearer tokens (JWT) (BearerAuth). By default, every request must be authenticated.

Paths & Operations 8

Across 3 paths, the API surfaces 8 operations — 1 DELETE, 2 GET, 1 PATCH, 3 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Lambda 8
POST
/api/lambda
Creates a Lambda. You can optionally specify an Id for the lambda, if not provided one will be generated.
createLambda body → 200default
GET
/api/lambda
Retrieves all the lambdas for the provided type.
retrieveLambdasByTypeWithId 1 param → 200default
POST
/api/lambda/search
Searches lambdas with the specified criteria and pagination.
searchLambdasWithId body → 200default
POST
/api/lambda/{lambdaId}
Creates a Lambda. You can optionally specify an Id for the lambda, if not provided one will be generated.
createLambdaWithId 1 param body → 200default
DELETE
/api/lambda/{lambdaId}
Deletes the lambda for the given Id.
deleteLambdaWithId 1 param → 200default
PATCH
/api/lambda/{lambdaId}
Updates, via PATCH, the lambda with the given Id.
patchLambdaWithId 1 param body → 200default
GET
/api/lambda/{lambdaId}
Retrieves the lambda for the given Id.
retrieveLambdaWithId 1 param → 200default
PUT
/api/lambda/{lambdaId}
Updates the lambda with the given Id.
updateLambdaWithId 1 param body → 200default

Schemas 11

The contract defines 11 schemas that model the data the API accepts and returns. The most detailed are Lambda (8 properties), LambdaSearchCriteria (6 properties), Error (3 properties), LambdaSearchResponse (2 properties). Each schema is shown below with its type and property counts.

LambdaRequest
object
Lambda API request object.
1 property
Errors
object
Standard error domain object that can also be used as the response from an API call.
2 properties
LambdaSearchResponse
object
Lambda search response
2 properties
ZonedDateTime
integer
The number of milliseconds since the unix epoch: January 1, 1970 00:00:00 UTC. This value is always in UTC.
LambdaEngineType
string
LambdaResponse
object
Lambda API response object.
2 properties
LambdaType
string
The types of lambdas that indicate how they are invoked by FusionAuth.
Error
object
Defines an error.
3 properties
LambdaSearchCriteria
object
Search criteria for Lambdas
6 properties
LambdaSearchRequest
object
Search request for Lambdas
1 property
Lambda
object
A JavaScript lambda function that is executed during certain events inside FusionAuth.
8 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

fusionauth-lambda-api-openapi.yml Raw ↑

Other APIs FusionAuth publishes across the network.

FusionAuth Api Key API
AE Profile APIs.io
FusionAuth Application API
AE Profile APIs.io
FusionAuth Connector API
AE Profile APIs.io
FusionAuth Consent API
AE Profile APIs.io
FusionAuth Email API
AE Profile APIs.io
FusionAuth Entity API
AE Profile APIs.io
FusionAuth Form API
AE Profile APIs.io
FusionAuth Group API
AE Profile APIs.io
FusionAuth Health API
AE Profile APIs.io
FusionAuth Identity API
AE Profile APIs.io
FusionAuth Identity Provider API
AE Profile APIs.io
FusionAuth Integration API
AE Profile APIs.io
#Lambda
← Back to F APIs
API Details
ID
fusionauth:fusionauth-lambda-api
Base URL
https://sandbox.fusionauth.io
Docs
https://fusionauth.io/docs/
Provider
FusionAuth
APIs.io →  GitHub →
Explore more
All APIs Providers APIs.io Network
Work with this as data

Every API here is available over the API and to AI agents over MCP. APIs is not yet its own endpoint on the v1 API. Reach this content through network search and the tag graph, or the MCP server below.

Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.

MCP tools for apis
4 tools reach this content
  • search_api_evangelistSearch every content type across the network at once.
  • find_relatedThe shared-tag relevance graph — what else covers this.
  • get_tagEverything one tag labels, across all content types.
  • guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.
All tools & prompts
Call it yourself
curl for this page
Search the network for this 
curl "https://api.apievangelist.com/v1/search?q=fusionauth-lambda-api&limit=10"
Everything under a tag 
curl "https://api.apievangelist.com/v1/tags/fusionauth-lambda-api"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

Get an API key

Free tier, no email required. Sign in with whichever identity you already have.

GitHub Google LinkedIn

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

Where this information came from

This is an independent, third-party profile of FusionAuth Lambda API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.