# thirdweb

**Canonical:** https://apis.io/providers/thirdweb/  
**Website:** https://thirdweb.com  
**APIs profiled:** 9

thirdweb is a full-stack web3 development platform. Its HTTP APIs unify wallet management, transaction execution, smart contract read/write, token and NFT operations, fiat-to-crypto payments and bridging, indexed on-chain data, and an AI blockchain interface across thousands of EVM chains and Solana, authenticated with a client ID or secret key.

## Kin Score — 34.8 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 34.8).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 49.4 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Payments**: 18.8 (matched via tags).

## Agent readiness — 19.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (9)

- **thirdweb Authentication API** — Wallet authentication flows.
- **thirdweb Contracts API** — Smart contract read, write, and deployment.
- **thirdweb Engine API** — Backend transaction execution with server wallets.
- **thirdweb Insight API** — Indexed on-chain events, transactions, tokens, and NFTs.
- **thirdweb Nebula API** — AI blockchain interface.
- **thirdweb Payments API** — Bridge, swap, convert, onramp, and x402 payments.
- **thirdweb Tokens API** — Token creation, listing, and ownership.
- **thirdweb Transactions API** — Transaction submission and status.
- **thirdweb Wallets API** — User and server wallet management, signing, and transfers.

## Agentic access (1)

- **Thirdweb Agentic Access** — 42 operations · 23 acting

## Security (2)

- **Thirdweb Authentication** — apiKey/http · 4 schemes
- **Thirdweb Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Thirdweb Plans Pricing**

## Tags

Web3, Blockchain, Wallets, Smart Contracts, Payments, Indexer

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/thirdweb/). Scores are computed from the provider's own public artifacts under a published rubric.