Gvnr Idempotency API
The Idempotency API from Gvnr — 1 operation(s) for idempotency.
Operations 1
POST
/v1/idempotency/check
Dedupe retries on a caller-supplied key — first call stores it, subsequent…
#
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/gvnr-dev:gvnr-dev-idempotency-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: Gvnr Idempotency API
version: 1.8.1
description: Budget & cost control for AI agents — per-agent spend caps, rate limits, idempotency, post-call reconciliation, and human approval bridges, enforced before each call.
servers:
- url: https://gvnr.dev
tags:
- name: Idempotency
paths:
/v1/idempotency/check:
post:
summary: Dedupe retries on a caller-supplied key — first call stores it, subsequent…
security:
- bearerAuth: []
requestBody:
content:
application/json:
schema:
type: object
required:
- key
properties:
key:
type: string
minLength: 1
maxLength: 256
description: Account-scoped idempotency key
ttl_seconds:
type: integer
minimum: 1
maximum: 2592000
description: TTL for the key (default 3600, max 30 days)
responses:
'200':
description: Check-and-set result
content:
application/json:
schema:
type: object
required:
- is_first_call
- ttl_remaining_seconds
properties:
is_first_call:
type: boolean
description: True on first observation of this key within TTL; false on replay
ttl_remaining_seconds:
type: integer
description: Seconds left before this key expires from the dedup store
default:
description: Error
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
tags:
- Idempotency
operationId: postV1IdempotencyCheck
x-operation-id-source: derived
components:
schemas:
ErrorResponse:
type: object
required:
- error
properties:
error:
type: string
description: Stable machine-readable error code (e.g. "invalid_params", "rate_limited", "not_found")
required:
type: array
items:
type: string
description: Names/descriptors of required fields when error is "invalid_params"
hint:
type: string
description: Human-readable guidance for resolving the error
detail:
type: string
description: Additional context for the error
valid:
type: array
items:
type: string
description: Allowed values when input was rejected as out-of-set
valid_channels:
type: array
items:
type: string
description: Allowed notification channels (for approval requests)
retryable:
type: boolean
description: Whether retrying the same request can succeed. false = fix input / auth / config first, or terminal. Omitted when retryability is already implied by required/valid (fix the input) or retry_after_ms (wait, then retry).
retry_after_ms:
type: integer
description: Milliseconds to wait before retrying — present on rate_limited (429). Matches the runtime rate_check field.
limit:
type: string
description: Description of the limit that was hit
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: API key from POST /v1/account