# Neynar On Chain API

**Canonical:** https://apis.io/apis/neynar/neynar-on-chain-api/  
**Provider:** Neynar — https://apis.io/providers/neynar/  
**Base URL:** https://api.neynar.com  
**Documentation:** https://docs.neynar.com

Neynar On Chain API is one of 39 APIs that [Neynar](https://apis.io/providers/neynar/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Onchain. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, and rate-limit docs.

Operations related to onchain data

## Operations (19)

| Method | Path | Summary |
|---|---|---|
| GET | `/v2/farcaster/fungible/owner/relevant/` | Relevant owners |
| GET | `/v2/farcaster/fungible/owner/relevant/bulk` | Bulk relevant owners |
| POST | `/v2/farcaster/fungible/send/` | Send fungibles |
| GET | `/v2/farcaster/fungible/trades/` | Get fungible trades |
| GET | `/v2/farcaster/fungible/trending/` | Trending fungibles |
| GET | `/v2/farcaster/fungibles/` | Fetch fungibles |
| POST | `/v2/farcaster/nft/deploy/erc721/` | Deploy ERC-721 collection |
| POST | `/v2/farcaster/nft/image/` | Generate an NFT image |
| POST | `/v2/farcaster/nft/metadata/token` | Upload NFT token metadata |
| GET | `/v2/farcaster/nft/mint/` | Simulate NFT mint calldata |
| POST | `/v2/farcaster/nft/mint/` | Mint NFT(s) |
| GET | `/v2/farcaster/user/balance/` | Token balance |
| POST | `/v2/farcaster/user/register/` | Register Farcaster account onchain |
| POST | `/v2/fungible/` | Deploy fungible |
| GET | `/v2/onchain/token/balances` | Get wallet token balances |
| GET | `/v2/onchain/token/metadata` | Get token metadata |
| GET | `/v2/onchain/token/metadata/batch` | Batch get token metadata |
| POST | `/v2/signature/x402/` | Create x402 signature |
| POST | `/v2/signature/x402/siwx` | Create x402 Sign-In-With-X payload |

## Machine-readable artifacts (12)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/neynar/refs/heads/main/openapi/neynar-on-chain-api-openapi.yml
- **Documentation** — https://docs.neynar.com
- **GettingStarted** — https://docs.neynar.com/reference/quickstart
- **RateLimits** — https://docs.neynar.com/reference/what-are-the-rate-limits-on-neynar-apis
- **ComputeUnits** — https://docs.neynar.com/reference/compute-units
- **Plans** — https://dev.neynar.com/pricing
- **Webhooks** — https://docs.neynar.com/docs/how-to-setup-webhooks-from-the-dashboard
- **x-plans** — https://raw.githubusercontent.com/api-evangelist/neynar/refs/heads/main/plans/plans.yml
- **x-rate-limits** — https://raw.githubusercontent.com/api-evangelist/neynar/refs/heads/main/rate-limits/rate-limits.yml
- **x-finops** — https://raw.githubusercontent.com/api-evangelist/neynar/refs/heads/main/finops/finops.yml
- **GraphQL** — https://raw.githubusercontent.com/api-evangelist/neynar/refs/heads/main/graphql/neynar-graphql.md
- **Documentation** — https://docs.neynar.com/reference/hub-api-overview

## Other Neynar APIs (12)

- [Neynar Action API](https://apis.io/apis/neynar/neynar-action-api/)
- [Neynar Agents API](https://apis.io/apis/neynar/neynar-agents-api/)
- [Neynar App Host API](https://apis.io/apis/neynar/neynar-app-host-api/)
- [Neynar AuthAddress API](https://apis.io/apis/neynar/neynar-authaddress-api/)
- [Neynar Ban API](https://apis.io/apis/neynar/neynar-ban-api/)
- [Neynar Block API](https://apis.io/apis/neynar/neynar-block-api/)
- [Neynar Cast API](https://apis.io/apis/neynar/neynar-cast-api/)
- [Neynar Casts API](https://apis.io/apis/neynar/neynar-casts-api/)
- [Neynar Channel API](https://apis.io/apis/neynar/neynar-channel-api/)
- [Neynar Feed API](https://apis.io/apis/neynar/neynar-feed-api/)
- [Neynar fname API](https://apis.io/apis/neynar/neynar-fname-api/)
- [Neynar Follows API](https://apis.io/apis/neynar/neynar-follows-api/)

## Tags

Onchain

---

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