# Fragment Ledger GraphQL API

**Canonical:** https://apis.io/apis/fragment-dev/fragment-ledger-graphql-api/  
**Provider:** Fragment — https://apis.io/providers/fragment-dev/  
**Base URL:** https://api.fragment.dev/graphql  
**Documentation:** https://fragment.dev/docs

Fragment Ledger GraphQL API is one of 6 APIs that [Fragment](https://apis.io/providers/fragment-dev/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Ledger, GraphQL, Double-Entry, and Balances. The published artifact set on APIs.io includes API documentation and an API reference.

Single GraphQL endpoint for defining a ledger Schema, creating Ledgers, posting balanced double-entry Ledger Entries, and reading balances and lines. All write mutations are idempotent via an idempotency key (ik). The endpoint is region-scoped (for example api.us-west-2.fragment.dev) and authenticated with OAuth2 client-credentials Bearer tokens.

## Machine-readable artifacts (7)

- **Documentation** — https://fragment.dev/docs
- **APIReference** — https://fragment.dev/api-reference
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/fragment-dev/refs/heads/main/graphql/fragment-dev-graphql.md
- **GraphQLSchema** — https://raw.githubusercontent.com/api-evangelist/fragment-dev/refs/heads/main/graphql/fragment-dev-schema.graphql
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/fragment-dev/refs/heads/main/collections/fragment-dev.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/fragment-dev/refs/heads/main/collections/fragment-dev.opencollection.json
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/fragment-dev/refs/heads/main/apis.yml

## Other Fragment APIs (5)

- [Fragment Schema API](https://apis.io/apis/fragment-dev/fragment-schema-api/)
- [Fragment Ledgers API](https://apis.io/apis/fragment-dev/fragment-ledgers-api/)
- [Fragment Ledger Entries API](https://apis.io/apis/fragment-dev/fragment-ledger-entries-api/)
- [Fragment Balances API](https://apis.io/apis/fragment-dev/fragment-balances-api/)
- [Fragment Reconciliation API](https://apis.io/apis/fragment-dev/fragment-reconciliation-api/)

## Tags

Ledger, GraphQL, Double-Entry, Balances

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fragment-dev/fragment-ledger-graphql-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fragment-dev/.